Features 1.Wireless remote control key fob with 4 button to send signal separately and control different devices as you set 2.Easy to copy the fixing code and learning code quickly 3.433MHz technology devices, transmitting distance can reach 50~100 meters in the open area 4.Build in battery for convenient use. Low power consumption, energy-saving device 5.Small and compact design with plastic construction and metal frame hook, can be used for a long time Specification Features: Wireless remote control key fob with 4 button to send signal separately and control different devices as you set. Easy to copy the fixing code and learning code quickly. 433MHz technology devices, transmitting distance can reach 50~100 meters in the open area. Build in battery for convenient use. Low power consumption, energy-saving device. Small and compact design with plastic construction and metal frame hook, can be used for a long time. Clear and Copy Code Method: 1. Clear code: two fingers at the same time hold the unlock key and lock key; the LED light rapidly flashes 3 times in about 2 seconds; let one of the fingers go (the other hand can not let go), and then use the loose finger to quickly click three times on the loose button until the LED light flashes quickly; the two fingers can release; then press any one key of the remote control; when LED light goes off, it means clear code is successful(four keys all empty); if after you press any button of the remote control, the light is still on, it indicates that the original code has not been cleared successfully. You need to re-clear, and only successfully clearing the code can cloning be successful. You can repeatedly clear and clone the code. 2. Copy: one hand taking the original remote control, another hand taking our cloned remote control and keep two remote control as close as possible; press the first keys of two remote controls at the same time; in about 2 seconds, the LED light will flash quickly 3 times; after one second, the pair is successful, and other buttons can be set with the same method. Some remote control is with low radio frequency so it should be placed back to back with the original remote control for easy copy. Some operation will be interfered by the surrounding environment, so please avoid the interference, and if it is not so easy to copy this time, please clear the code and try a second time. Specifications: Condition: 100% Brand New Material: Plastic, Metal Voltage: 12V Rated Current: 10mA Frequency: 433MHz Modulation: ASK(amplitude modulation) Wireless Tranmit Distance: 50~100m (in the open area) Suitable for : garage doors, alarm units, automatic doors, shutter doors and so on Reference Copy Chip Model: 2260, 2262, PT2264, 5326, SC5262, HT600, HT680, HT6207, HT6010, HT6012, HT6014, SMC918 Series, 527, 1527, 2240, HCS101, HCS200\HCS201, HCS300\HCS301(Parts of Codes） Size: Approx. 5.5 * 3.3 * 1.8cm / 2.16 * 1.3 * 0.7in Package Weight: Approx. 33g Package Included: 1 * Wireless Remote Control Package List