Features: 1.Stable Signal: The remote control adopts wireless technology with stable signal. The signal of wireless switch can pass through the wall floor and door to control the receiver anywhere stably within a reliable distance. 2.Multi-function: Two-in-one relay switch can copy and control two different remote controls at the same time. Universal for many home or industrial circuit products no wiring required easy to install switch control circuit switch receiver wired between power and appliances. 3. Detail Design: Telescopic antenna adapt to different working conditions and provide gain effect. High light indicator rubber keys slim body sleek body comfortable grip where to put it. 4. Wide Range of Use: Easy to operate and adaptable in the battery car garage door gate access control auto parts conversion field can be applied. 5. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Modulation Method: ASK Transmit Power: 12dBm Transmitting Current: 20mA Static Current:<1uA Operating Frequency: 315/433.99MHz Operating Voltage: DC12V Battery Type: 23A alkaline battery*1 Case Material: ABS Product Size: 91*40*15mm Product Weight: 49g Notes: 1. The transmitting distance of the remote control is affected by the installation environment of the controller blocking objects interference sources and other external factors in use and varies. 2. This controller use 1 2032 button battery power supply when the remote control distance becomes sluggish response to the SMS signal please replace the battery in time. 3. Please do not put the remote control in a humid environment it may cause damage to the product or shorten the life. includes: 1 *Remote Control "