PowerSave Advanced Technology Remote Control Microwave Sensor Slimline Energy Saving LED Security Flood Light (30w Flood Light / 300w equivalent) [Energy Class A++]

Very good security light. I've used many PIR type sensor floodlights over the years, including a couple of LED ones, but this one takes the biscuit.First of all setup is so much easier with the remote control, it acknowledges every press by flashing the main Led light so you know your command has been received.I bought this version because it has a microwave sensor which is much smaller than a PIR and sits inside the main unit instead of dangling below. The sensor works very reliably day or night.The unit is very much slimmer than the usual halogen floodlights and is still slimmer than the led unit it's replacing.So far it's been every bit the improvement I was hoping for.

This is a 1st generation microwave detection flood light. The concept is brilliant and the performance is consistent, but it's not as per the description. Microwave detection range is only 4 meters. The pig tail is exceptionally short which will causes substantial installation problems (you'll need a waterproof choc-block box). Lastly, the remote is line-of-sight infra red. This means you can only adjust the floodlight in low light while stood in front of this flood light. If none of these consideration is a problem for you; this is a fantastic product.

Great light over garden

This light has a very short cable no screws to mount it and once up it comes on and goes of a second later, it is back on reduced the sensitivity to 50% but don’t think it will work now, going to give it a couple of days then it’s going back. Ok so it’s gone back, an identical one has replaced it and so far is working fine easy to control with the remote.So just over a year later May 2020 the second one has stopped working completely I am sure there is much better ones out there for less money I would definitely not recommend this product

The biggest problem is that the unit is triggered by rain. This is not just when set to the maximum range (7 to 8 metres, their figures), but also 75% range (5 to 6 metres), 50 % (3 to 4 metres) and 25% (1 to 2 metres) range. The intensity of the rain was medium (not light or heavy rain). Rain triggering is inherent to small, cheap microwave detectors. The "slimline" profile results in a wide detection beam (on the box they admit it is 180 degrees). So even with the unit tilted downwards the sensor is "looking" upwards. So falling rain looks like an approaching object. The manufacturers claim that: "Microwave detectors are more reactive to movement across the sensor than towards the sensor." The reverse is the case in fact. The principle of operation is the Doppler effect in which the microwave sensor produces a detection signal when an object approaches or moves away from the detector. Motion across a microwave beam produces no detection signal. But with this light the beam is so wide falling rain approaches the sensor triggering the unit. Well designed intruder detection sensors have fan shaped beams such that their beams are wide (up to 180 degrees in the horizontal plane) to detect intruders, but narrow in the vertical plane so that rain does not trigger them. One of the disadvantages of microwave detectors is that they are triggered by more or less anything that appears to move towards or away from them, such as: rain, flowers, trees, washing on the line, cars, the reflections from switched on fluorescent light and so on. With such a wide beam and because microwaves do not discriminate against objects cooler than body heat, false triggering is bound to be worse than with PIR (Passive Infra-red) detectors. I know this because I used to design microwave intruder detectors for a living. The advantages of PIR detectors are that, in principle, they are only triggered by the movement of objects at body heat, and the beam shape can be easily optimised at the design stage and again at installation by the user using tape to cover parts of the sensor lens.Another problem of "slimline" units is that there is essentially no light reflector focussing effect, so the light beam angle is also practically 180 degrees. The manufacturers claim 120 degrees but that is probably just be the brightest part of the beam. Depending on how the unit is sited the light overspill might illuminate your neighbour's bedroom which might make you unpopular. And if your unit is switching on and off continually when it rains it could be extremely annoying, and wasteful of electricity. A deep reflector, rather than a slimline one, would reduce the light overspill somewhat. Another problem I found was that it refused to work on light level settings other than all day and night. This was because the light level sensor is too directional, rather than sensing low ambient light and I need to mount the light facing a street light.The manufacturers claim that a 30 W LED has the equivalent light output of a 300 W conventional incandescent lamp. Although some suppliers claim 10 to 1, this seems a bit optimistic. Many suppliers only claim 7 to 1 so that a 30 W LED is probably closer to a 210 W conventional security light lamp.Another problem was the very short mains lead at 9 1/2 inches which was just 7 inches beyond the bracket, so I needed a waterproof three lead mains connector. The back of the light is permanently sealed with no access screws so you cannot replace the short lead with a longer one.Another problem is the instructions. The translation from Chinese to English and the lack of explanation is confusing. I think that the "Day & Night Sensor" button enables and disables the ambient light photocell sensor so that the unit can be made to operate in the daytime which is useful for testing and setting up during the day rather than having to wait for night time. I assume that the button labelled "Dusk to Dawn Photocell (No Sensor Feature)" means the unit can be made to operate from dusk to dawn (although this appears to contradict the "no sensor feature" part of the label). I assume that the button labelled "Night Only Sensor" means that the unit then only operates at darker times of the night, rather than the longer dusk to dawn time. I assume the button labelled "No Feature" does nothing. The sensitivity control buttons on the hand controller do not refer to the day/night sensor sensitivity but to the detection range adjustment. I mentally scrub out the label "Sensitivity" and substitute "Detection Range".In summary: it looks nicer than conventional units, the LED makes it potentially more reliable than halogen filament lamp units, being programmable by remote control makes it very easy to set up once you have decoded the unclear and incomplete setting up instructions, but the rain triggering problem makes it unfit for purpose.So I have to decide whether to fit a diffuser or shield over the ambient light sensor, and a metal shield over the unit to stop the microwave beam looking upwards, or to disconnect it, take it down and send it back.

Initially, I thought the remote control was overly complicated but having persevered it is really quite easy to use. I only wanted a dawn to dusk motion sensor light but this one provides many more options, some of which I do not think I shall use. Installation was easy and I am completely satisfied with the unit. Time will tell if it has a long life.James Pettinger

its ok

Not impressed at all with this product. For a start the LED lights aren't a patch on the conventional tube lights, not nearly as bright. The built-in PIR is useless, it only works if something passes directly in front of it, doesn't detect things below or at the side of it. I took mine down and sent it back to Amazon as not fit for purpose.