1. Copy Function: The copy remote control can copy most of the fixed code and learning code wireless remote controls, with fast copying speed and easy operation. 2. Scope Of Use:This intelligent copy remote control is suitable for electric bikes, balance bikes, electric doors, garage doors and other household appliances. 3. Fast Copying Speed: It adopts high performance chip, crystal frequency stabilisation and accurate frequency point, which can search and copy the frequency quickly, and after copying, it does not affect the your old remote control. 4. High Transmission Sensitivity: The copy remote control has a long transmission distance, no direction, high transmission sensitivity, no signal blocking, can quickly realize the door opening and closing. 5. High Quality: The copy remote control is made of high quality plastic material, which is sturdy, wear- and has a long service life. Use: Lighting,Electric Door Wireless Communication: Channel: 4 Operating frequency: 433MHz Battery type: 12V, 23A alkaline battery Mode of operation: copy. Operating voltage: DC12V Emission current: Less than 25mA Static current: Less than 0.15uA Transmitting power: 5-7dBm Operating temperature: -20C-70C Copy Chips: PT2242, PT2260, PT2262, EV1527, 527, PT2240, SMC918, HT-12E, AX5326-3, AX5326-4, AX5026, HT600, HT680, HT6207, HT6010, HT6014, MC145026, HT640, etc. Cautions (1) The battery voltage should not exceed the operating voltage range. (2) Try to keep the two remotes close together when copying the remote control, otherwise copy abnormalities occur. (3) The remote control distance may be reduced in an environment with high wireless interference. (4) Keep out of reach of children. (5) Do not use in a humid environment as this may cause damage to the remote control. Color: As Shown Material: plastic Package Contents: 5 x Wireless Remote Control Only the above package content, other products are not included. Note: 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.