AC Panel 86 Wall Wireless Remote Control Relay Switch Transmitter & Receiver 110-220V 1 way Features: Easy to install,no wiring is required. Switch position can be installed freely, as long as a wireless receiver is installed at the front end of the lamp. The switch position can be installed freely.  Safety in use. Avoid effectively prevent the occurrence of electrical leakage and electric shock accidents. Environmental protection and resources saving. Save the costs of the labor and materia and avoid damaging walls and producing garbages. Elegant appearance. Discard the defectof the traditional switch which can not hide the wires. It is a transmitter compatible with EV1527 code ans can work with any kind learning code （EV1527 code） receiver in our store. Specifications: Product Model: KTNN-YK86-A3 Product Name: type 86 remote control Working Frequency: 433MHZ Chip Type: EV1527 Working Battery: 12V 27A Battery Life: 6~12 Months Remote Control Distance: 10~30 m (Depending on Specific Environmental Interference) Size (L*W*H): 8.6*8.6*1.3cm/3.4*3.4*0.5in Package Weight: 60g/2.1oz Package List: 1 * Wireless Remote Control Relay Switch ( Battery Not Included : 12V 27A )