Self programmable battery included:quipped with a battery, our keypad ensures extended use without frequent replacements. Ideal for busy households needing a dependable garage entry solution. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:ABS Package Contents: 2 * Door Opener Remote 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.