Specifications: Working voltage: AC85~250V Maximum power: less than 500W Standby current: 10mA Wireless sensitivity: -105dbM Remote control distance: Approx. 30 meters Frequency: 433 MHZ Receiver size: 83x51x25mm Remote control size: 120 x 45 x 18mm Remote control battery: 1* 12V/23A battery(Not included) Features: Applicative Motor: less than 500W or less 3 Lines Forward Reverse Motor (Forward Line +Reverse Line+ COM Line). Encoding Type: Learning Code (Learning Button to add Remote control). Remote control & Receiver Button: ''Up Triangle'' Up/Motor Forward; Button '' Down Triangle'' for Down/Motor Reverse; Button ''Square'' for Stop. More intelligent design can make our lives more convenient. Package Includes: 1X Receiver, 1X Remote control(Not included 1* 12V/23A battery). Instruction Manual: 1. Clear code: Long press the up button or down button of the receiving controller, the work indicator flashes slowly 3 times after 3 seconds, and the work indicator flashes 3 times quickly after 8 seconds, which means the code clearing is successful. (After the code is cleared successfully, all the remote controllers that have been coded cannot be controlling the receiving controller. Please re-code the code if you need to use it) 2. Learning Code: Long press the up button, the work indicator will flash slowly after 3 seconds. At this time, press and hold the △ button on the remote control, and the work indicator will flash 2 times quickly, indicating that the up button is successfully paired. Long press the down button, the work indicator will flash slowly after 3 seconds. At this time, press and hold the ▽ key on the remote control, and the work indicator will flash 2 times quickly, indicating that the down button is successfully paired. (After finishing the study, press the up or down button on the remote control to see the work indicator light up) Otherwise, please study again. The buttons on the controller and the buttons on the remote control can work in linkage and use each other. Package Includes: 1X Receiver 1X Remote control(Not included 1* 12V/23A battery) Note: *For your convenience, the remote control and receiver have been paired. *Only the above package content, other products are not included. *Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. *Don't operate control buttons rapidly and frequently , because the controller is controlled. by microprocessor , each operation state will response in 1second. *If discover the LED lights darken or remote distance shorter, please replace the battery.