BT881E Digital Illuminance MeterMeasure Light 001~300000 LUX with Resolution 001LUX Meter for Plants Aquarium Light Tester

Product description Color:881E (0.01~300,000 Lux) Digital LUX Meter - BTMETER BT-881E Light Meter Test Illuminance 0.1~300,00 Lux, Sensor Head Rotate 270 Degrees, With LUX/FC, MAX/MIN, Temperature, Data Logger for LED Light, Grow Plants Specificationsfor BT-881D digital LUX light meter: Display:3999 counts Range:0.1 to 400,000Lux Sampling time: 2.0 times/s Temperature Accuracy: ±0.1%C Accuracy: ±4%rdg ±0.5% f.s(0-20000Lux); ±5%rdg ±10dgt(20000Lux-400000Lux)  Features:     - LCD Display     - Auto Zeroing     - Data Hold     - Data Memory     - Max/Min Hold     - Auto / Manual Ranging     - Low Battery Indication     - Lux/Foot Candles selection     - Highly accurate and responsive   Package Included?     1 * Digital LUX meter     2 * 1.5V(AAA) battery     1 * Black zipped case     1 * User Manual   REMINDER: This is not a PRO photography light meter, after given the basic numbers, you’ll need to do some maths to find your shutter speed and aperture.