The Remote Display is a controlling device for changing automated lifestyles, selecting a scene or controlling individual products. The blue illuminated display provides comfortable readability during dark hours. Two hotkey buttons are available which can be configured to your own wishes within the free of charge online manager. The Remote Display runs on two AAA batteries, with an expected lifetime of four years. Features: Control and manage different scenes easily from one controller Easy to configure Control individual products Specifications: Z Cert Prod Pkg ExcpLogo W max Converted Remote Display Product dimensions: 170 x 45 x 22 millimeter (L x W x H) Normal operating voltage: 2x AAA 1,5V batteries. From 2,3Vdc to 4,0Vdc. Do not use rechargeable batteries Storage temperature: -5°C to +65°C Storage humidity: 10% to 70% Operating temperature: 0°C to 50°C Operating humidity: 30% to 80% Frequency range: 868.42 MHz (Z-Wave) Maximum wireless range: 100 meters in line of sight Average wireless range: 30 meter Mesh-network wireless range: 150 to 300 meters (maximum of 4 hops)