Package Content: you will receive 4 pieces of garage door remotes, each 2 button garage door remote controls compatible with for garage door openers, simply place the new garage door remote control on the side of your compatible with M3-2312 opener, follow the instructions in the user manual to copy the program to the new remote control, equipped with a sunshade clamp for easy use, and included programming instruction manual to help you do it well Compatibility: the garage gate control remote is compatible with garage door openers remotes and operates at 315MHz, compatible with bottle openers M4500, M4700, Q7500, Q7700, Q7900, M4500e, M4700e, M4900e, M4500ECO, M4700ECO, M50, M55, 260, 270, 370, bottle opener DC3700, DC3700e, DC2500, DC2500e, DC3700HD; Wide application range, strong signal transmission Programming Advantages: our 2 button garage door opener remote can be quickly programmed and applied without using copy pins, and it is easy to carry; You only need to follow the instruction manual or our instructional video to program quickly and easily, each device allows you to operate up to 2 different wireless garage door opener, the steps to complete your own code setup Safe and Reliable: the latest radio frequency technology and strong security encryption design a better working range, which can well reduce the receiving and transmitting range of radio wave interference signals, up to 100 feet, and advanced digital security prevents unauthorized access, extremely secure multiple digit code is only compatible with remote gate openers using the highest level of encryption at 315 MHz, giving you peace of mind Wide Portability Range: the small and sunshade clip remote linear switch is easy to carry and can be put into handbags, wallets, pockets, andmore, without taking up much space; It has strong signal transmission, wide coverage, convenience and flexibility, bringing you well convenience You can also share the garage door opener remotes with your friends, family, coworkers, neighbors, and more, in or at holiday parties, to bring much convenience to them. This gate opener remote is made of ABS and paired with a metal shading clip, which can you for a long time. The simple and convenient design makes the remotes easy to apply, making them a practical helper for . Size: as shown in the picture Notes: The mention of these and any related model above is only for purposes of expressing compatibility, not for Colour:black Material:ABS Package Contents: 1 set x garage door opener clip 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.