♠If there is any quality problem with our products, you can contact us at any time, we will refund you or resend the product to you again ♥All products are in stock, we will send out the goods within 48 hours ♣Brand Name : WenQia NOTE: ☛This link only sells the wireless wall panel transmitter, it needs to be used with the receiver, if you don't have a receiver, you can contact us, we will recommend products for you according to your needs ☛If you have a receiver yourself, please make sure that the following conditions are met:       ①frequency：433Mhz       ②coding：1527 learning code. 💛Main Function ☛Wireless Tempered Glass Wall Panel Switch，This is a 433mhz rf wall panel transmitter that can be used with our shop's receiver for remote control of the device ☛Easy to clean and scratch resistant ☛The transmitted signal has a certain ability to pass through the wall ☛Our wireless wall panel switch can be clicked more than 100,000 times, uses a 27A 12V battery (not included), the battery life is more than a year, the battery can be replaced when the battery is depleted, and the operation is also very simple. ☛Can be placed anywhere, regardless of the layout of electrical outlets 💛Technical Data Wireless Communication : 433mhz RF Encoding Type: 1257 Learning Code Modulation Mode:ASK RF Frequency: 433MHz Receiving Sensitivity: 97dbm Remote Control Range: >50m (in the open Space) Specialfication : 86 size wireless wall Panel Connection method : Wireless remote Battery : 27A 12V (Not Include) 💛Package include Wall Switch ( Not include battery) 2 pcs Double-sided Tape