It's a high quality, robust replacement which includes protective sliding key cover. Multi-functional and multi-variable, and user-friendly simple design and fast to use. Sturdy material and long service life trength and Unique Appearance Hands for a More Comfortable Use Battery: cr2032 Rated voltage: 12 (V) Rated current: 10 (mA) Scope of application: garage door, roller shutter door, gate switch Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:abs Package Contents: 1 x remote control 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.