1Is widely used in home alarm , panic, buttons, garage door, rolling curtain, etc. 2Delicate and nice appearance, 4 control button 3Adopt the radio frequency technology, long transmitting distance,high transmitting sensitivity, no signal obstruct 4Can be copied to the chip: 2260 (all manufacturers), 2262 (all manufacturers), PT2264, 5326 (all manufacturers), SC5262, HT600, HT680, HT6207, HT6010, HT6012, HT6014, SMC918 series, 527 (all manufacturers), 1527 (all manufacturers), 2240 (all manufactu 5Clearing method: Press and hold the two keys of unlocking and closing at the same time (some shells are up and down keys), the LED indicator flashes three times, release any button pressed, the other is not loose, click the button to release Three time