Probably a daft question, but how do you set the current time on this?

Press and hold "SET" for 3s, press "SET" several times until the lock icon flashes, press up or down key to set the hour, press "SET" again to set minute. Press and hold "SET" for 3s to save the settings.

I've lost my instructions is there anywhere I can download them?

Please contact linjy@cnketotek.com for manual in PDF

I have a 80w deep heat bulb in but temp range only goes to 32 degrees why is that?

I assume you are saying the temperature achieved is only 32° , I had similar problem. First is the sensor close to the area the spot of the bulb is heating, if so ,as in my case your bulb is underpowered for the application and needs to be upgraded to a higher wattage. If the bulb is dimming at 32° then you either have it set wrong or it is faulty If I have assumed wrong or misread the question please disregard this answer. I accept no liability for the health of your animal should you take any notice of what I have suggested.

for some reason the second plug makes my uvb flicker a lot and the first plug what's for heating allows the basking temp to go 5° more than it should?

The flicking could be to do with the heat lamp stealing all the energy so the uvb could be getting less energy than it should. I had this problem before so now I have one light on one extension and another for the other. The temp rise is normal and will lower it's self automatically. Same with if it goes 5 degrees lower it will then heat itself back up. It took me a while to work it all out but now it does everything itself. I never have to touch it, it's amazing 😊

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🌡️ Stay cool or heat up—control your climate like a pro, effortlessly!

VERSATILE USE CASES - Ideal for aquariums, greenhouses, and any space demanding exact temperature mastery.
RELIABLE SAFETY FIRST - Fire-resistant build plus buzzer alerts keep your environment secure 24/7.
PLUG AND PLAY SIMPLICITY - Set up in seconds with an intuitive 3-button interface—no tech degree needed.
SMART MEMORY CALIBRATION - Never lose your settings during outages; calibrate for spot-on accuracy.
DUAL STAGE PRECISION CONTROL - Seamlessly switch between heating & cooling for perfect climate balance.

The KETOTEK KT4000 Digital Temperature Controller offers dual relay outputs with max 10A power for precise heating and cooling control from -50℃ to 99℃. Featuring a waterproof 2-meter NTC sensor, an easy 3-button setup, and safety-focused design with fire-resistant materials and buzzer alarms, it’s perfect for aquariums, greenhouses, and more. Memory retention and calibration functions ensure consistent, reliable temperature management even during power interruptions.

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Package Dimensions	23.5 x 13.2 x 6 cm; 723 g
Batteries required	No
Included components	[«2-meter waterproof temperature probe, suction cup, 2 velcro double-sided tapes»]

KETOTEKDigital Temperature Controller Thermostat Plug Socket with Waterproof Sensor, 2-Stage Thermostatic Plug 220V Heating Cooling Temperature Switch for Aquarium Greenhouse Heater Fan

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