Features: Brand new and high quality Working frequency: 315 MHz / 433.92 MHz (special frequencies can be customized according to customer requirements). Power scheme: DC6V (button battery 2016x2) power supply. Standby current: less than 0.15uA. Good selectivity and ability to suppress stray radiation. Good ability to suppress local oscillator radiation. Temperature range: -20-70 ℃ can operate normally even in harsh environmental temperatures. Product size: 70x32.9x13.8mm (including shell). Product weight: 38.17g (including shell). Specifications: Model: KB-1708 Material: Metal Product Type: Copying / Duplicating Remote Control Transmitter Key Fob RF Frequency: 315MHz / 433MHz(optional) Channel Supported: Four Channel Button: 4 Buttons(A,B,C,D) Operating Voltage:DC6V Color: Black Package Includes: 1 x Remote Control note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!