WT81B Bluetooth Light Meter Digital Display Handheld HighAccuracy Luxmeter Photometer

Feature: 1. Can measure current illuminance and temperature, measure difference value, maximum and minimum. 2. Switch between the lighting and temperature units and the measurement range is (0?200000) lx. 3. With backlight and data retention, automatic switching of measurement gear functions. 4. With automatic power off, automatic and manual data storage functions. 5. The shell is made of high?quality ABS material, wear?resistant and durable, not easy to damage. Specification: Item Type: Luxmeter Material: ABS Model: WT81B (Bluetooth Version) Measuring Range: 0Lx~200,000Lx Temperature Measurement Range: 9.9~49.9 celsius Accuracy: +3percent rdg+f.s.(<10,000Lx), +4percent rdg+10percent dgts.(>10,000Lx). Operating Temperature and Humidity: 0 celsius ~40 celsius , 10percent RH~90percent RH. Storage Temperature and Humidity: 20 celsius ~50 celsius , 10percent RH~90percent RH. Temperature Accuracy: +1.0 celsius LCD Screen Update: 2 TimesSec Power Supply: 3 x 1.5V AAA Battery (Battery Not Included) . Package List: 1 x Luxmeter (Battery Not Included)1 x InstructionCan measure current illuminance and temperature, measure difference value, maximum and minimum. Switch between the lighting and temperature units and the measurement range is (0?200000) lx. With backlight and data retention, automatic switching of measurement gear functions. With automatic power off, automatic and manual data storage functions. The shell is made of high?quality ABS material, wear?resistant and durable, not easy to damage.