Light Meter with Bluetooth APP Function: The HP-5000APP handheld illuminance meter can be connected to a mobile phone via Bluetooth to monitor data from a long distance and facilitate data storage and recording. High-precision Digital Illuminance Meter: This digital light meter has a measurement range of 1-400000LUX and a resolution of 0.1lux/fc. It uses silicon filter diodes as the photoreceptor and has high accuracy. 270° Rotating Probe: The separate light sensor of the light meter can rotate 90 degrees on one side or 270 degrees on one side, allowing you to find the best measurement angle compatible with measurement. LUX/FC Unit Conversion: This digital lux meter uses an enlarged LCD display compatible with clearer reading display. LUX/FC units can be switched and can also be used to measure ambient temperature. Multi-functional Application: HP-5000APP digital lumen meter can measure various visible light sources, such as LED lighting, plant lights, fluorescent lamps, metal halide, high-pressure sodium lamps and incandescent bulbs, etc. Suitable compatible with use in homes, schools, laboratories, offices, stages, workshops, factories and other scenarios. Specification: Measuring range:1-400,000Lux Accuracy: less than equal 10000Lux: ±4% rgd±1.0% f.s. greater than equal 10,000Lux: ±5% rgd±1.5% f.s greater than equal 200,000Lux: ± 8% rdg+2.0%f.s Resolution: 0.1LUX/FC Maximum display digits: 3999 Photoreceptor: silicon filter diode Temperature measurement range: -10-50℃, Accuracy: ±1℃ Resolution: 0.1℃ Low battery prompt:Yes Dimensions: 175x60x33mm Weight: Approximately 139g (no including battery) Color:As Shown Material:plastic Package Contents: 1 * Luxmeter(without 2xAAA batteries)