Description:Our products are widely used in remote control switch. Applicable to doors and Windows, electromagnetic doors, door valves.Features:1. Our products are widely used in remote control switch. Applicable to doors and Windows, electromagnetic doors, door valves.2. This product can learn most of the fixed code 433 frequency, dynamic code (rolling code) and encryption can not be learned, remote controls with more than four buttons also don't work. (up to 4 sets of remote controls and 16 switch keys can be added)3. WIFI signal gateway makes household appliances intelligent.The learning function can quickly learn the control mode through mobile APP, realize remote control.4. The traditional RF remote control has a very limited controllable range. It can be controlled remotely anytime and anywhere through the mobile APP.5. There is also a timing function.Specification:Condition: 100% Brand NewItem Type: Remote ControlMaterial: ABSSize: 7*7*1cm / 2.8*2.8*0.4 (appr.)Weight: 0.033kg / 1.2oz (appr.)Operating Voltage: USB5V/DC5vOperating Temp: -20~70 ()Remote Control Distance: InfinityProduct Authentication: ROHSOperating Frequency: WIFI 2.4GHz b/g/nPackage list:1 x Remote Control1 x ManualNotes:1. The actual product color may deviate from the photo due to light.2. There may be a slight deviation in the measurement of product.