877Max Wireless Garage Opener with Fingerprint Unlock: Compatible with all for garage door openers manufactured since January 1993 , Product adaptation models are mainly Security + 2.0 with yellow learn button, 315 MHz Security + with learn button, 390 Security + with red or orange learn button, and 390 MHz Billion Code with green learn button New functions of 877MAX upgrade: 877MAX is newly upgraded and has a new appearance design. It has powerful functions such as fingerprint unlocking, one button closing, and controlling multiple Garage door to meet your more needs and achieve more application scenarios. 877Max Garage Door Opener with Fingerprint Unlock.With this garage door keypad, programming is a breeze.In just a few minutes, you can complete the setup and pair it with the Garage door remote control. Once completed, you can use it conveniently without worrying about forgetting your keys! 877Max Garage Door Opener Humanized design: One click unlocking function, convenient and fast. Backlit digital buttons, even in low light conditions, can easily handle. Equipped with a protective cover to prevent rainwater splashing. Suitable for various environments and Power Suplly:4 x AA batteries(Not included batteries) Colour:White Material:ABS Package Contents: 1 * garage door keypad 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.