1. Wireless control: after you set up with remotes,you can control it wirelessly2. Remote control: supports 150m in open space3. Multi control: many remotes can control same receiver at the same time(at 20pcs remotes)4. Wide voltage: supports dc 12-72v 30a,can be used in many Receiver parameterSize: 66 x 44 x 31mmShell: yesMode: momentary/toggle/latchedCode: 1527 learning/2262 fixedModulation: ASKPort: L and NWorking temperature: -30-+80 celsiusRemote parameterSize: 60 x 30 mmBattery: 2pcs CR2016(Include)Buttons: 2Code: 1527 learningItem Type: SwitchesSwitch Type: Remote ControlQuiescent Current: less than 5mARF frequency: 433MHzReceiving Sensitivity: more than 97dbmApplication scenario: , Farm, , Office, SupermarketApplication2: Garage, Light, Automated curtains, Fan, Door, Gate, LED, , Motorcolor:Photo colorMaterial:plasticPackage Contents:1 x Switch2 x Remote control(150m)Only the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.