Brightness-Temp.sensor Bluetooth - Multiple sensor 1792 HT BT

Brightness-Temp.sensor Bluetooth - Multiple sensor 1792 HT BT – Jung – 4011377167063: Brightness temperature sensor Bluetooth 1792 HT BT version multiple sensor, nominal voltage 3V, brightness/temperature sensor Bluetooth, nominal voltage: DC 3 V, battery-operated device, battery type: 1 x Lithium CR 2450N (included), radio frequency: 2.402 to 2.480 GHz, transmission power: maximum 2.5 mW (class 2), transmission range: typically 10 m, sensor for detecting brightness and temperature, sends the current brightness and temperature value every 5 minutes via Bluetooth, sends the brightness value when the brightness changes by more than 10 % of the last sent value, sends the current temperature value when the temperature changes by more than 0.2 K, brightness measurement: 5 to 80,000 lx, temperature measurement: -5 to + 55 °C, function extension for Bluetooth timer: sun protection function, dusk and dawn, Storage and transport temperature: - 20 to + 70 °C, ambient temperature: - 5 to + 55 °C, dimensions (W x H x D): 32 x 56 x 13 mm, adhesive mounting inside on window panes, walls or furniture