Features: 1.High Quality Material: Wireless switch is made of high quality ABS and metal material, fireproof, safe, sturdy and durable. 2.Function: You can switch your lights on and off via the remote control panel at a wide range of distance, high sensitivity. 3.Strong Signal: Adopt 433.92Mhz wireless RF chip, the signal can pass through the wall to be recognized by the receiver. 4.Anti Interference: EV1527 coded format, each remote control switch has an independent address code, to prevent mutual interference. 5.Wide Application: Wireless remote control switch can be widely used in boats, motorcycles, vehicles, cars, trucks, RVs, etc. Specification: Item Type: Wireless Light Switch Shell Material: Fireproof ABS+metal Operating Frequency: 433.92Mhz Battery Model: Dry battery DC 12V 27A 60mah delivered with the battery Code Format: 1527 code format; Size: Approx. 86mmx86mm/3.39inx3.39in Fitment: Can be widely used in short and long range turn devices on / off wirelessly, anti-theft alarm control panels, lifts, boats, motor-driven curtain, roller blinds, garage door openers, gate barriers, motorcycles, vehicles, cars, trucks, RVs, electric generator, electric door release locks, windows, manual switches extender, LED lighting lamp bulbs and strips, entrance and access control etc. PackageList: 1 x Wireless Light Switch 1 x Battery Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.