Features: Craft of quality material, durability, firm and stable for us to use. 7 types of button key: 1/2/3/4/6/8/10 button key for you to choose from to meet your needs. The receiver is a learning button to pair. Easy and convenient to use. Safe and flexible for operation and install. Widely use in house, mall, electromobile, for car, motorcycle antitheft alarm system or other control systems. Specified as preferred components in remotes control garage, roller curtain, door lock, remote sensings, telemetrys, industrial control and wireless security alarm industry. Remote only, other accessories in the picture is not included! Specifications: Item Type: Remote Material: ABS Size: 37x14x110mm/1.4x0.5x4.3in Color: White Number of Key: 1 key, 2 key, 3 key, 4 key, 6 key, 8 key, 10 key(Optional) Modulation Modes: ASK Working Voltages: DC12V Quantity: 1Pc Package Includes: 1xRemote(Battery not included) note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.