Know when it's time to change your grow bulbs!!! The ActiveEye Digital Light Meter used to measure light power from your bulb.
The sensor is stable and made of a long life silicon photo diode. The digital light meter goes up to 40,000 FC.
The meter’s built in low battery alarm tells you when to change the batteries
Measures grow lights or sunlight, up to 40,000 footcandles
3 scales for precise readings
Handy hand held remote sensor
Lifetime silicon cell (Lithium 3V CR2032)
Includes booklet with lighting advice
Get the analogue version here
