controller: The receiver adopts 30A relay, which can load high-power electrical appliances.Adopts RF technology ,allowing control without interference.it can pass through walls, floors and doors, control receiver from any place within a distance.Max range is up to 984ft/300m with no obstacle.Stable and performance, high receive sensitivity.Wide Application:It is mainly used in industrial control and security fields, such as light, motor, remote controller, wireless security alarm, wireless door alarm, wireless controller, etc.Small Size,soft contact, small not simple.current: DC12V-72V Name: 433Mhz RF 30A receiver longdistance remoteCurrent: 30ASwitch Type: Remote controlRemote Distance: 50metersController Terminal: LRF frequency: 433MHzReceiving Sensitivity: more than 97dbmWorking temperature: -30 - +80 degreesAmount of storage remote controls: about 25 piecesQuiescent Current: less than 5mAModulation Mode: ASK superheterodyne wireless receptionRemote operating mode: Momentary / Toggle/ Latched ModeApplication: Family, Farm, Factory, Office, Supermarketsize: 64 x 42 x 30mmMaterial: Plastic + Metalcolour: black+whitePackage Contents:1 x Wireless Remote Switch2 x Remote controlOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.",