Features: Brand new and high quality Using SA901A main control chip.Support online programming, can be programmed repeatedly. Built-in EEPROM, can copy other common same frequency remote control. Can clear codes and learn codes at-any-time, which is convenient and faster to use. Can be used in the field of car remote control, lighting control, home remote control and so on. Privacy is strong,easy to use. Specifications: Operating frequency: 315MHz/433.92MHz Battery type: button cell 2032x1 Working mode: copying Material: ABS Size: Approx.67x31x18mm/2.63x1.22x0.7inches Working voltage:DC2.4-3v. Emission current:< 11ma Transmit power:+3-6DBM Working temperature:-20-70 Note: 1. The battery-voltage cannot exceed the working voltage-range. 2. When copying the remote controller, try to make the two remote controllers close together, otherwise there will be abnormal copying. 3. In the environment with large wireless interference, the remote control distance may be reduced. 4. Keep it out of the reach of children. 5. Do not use it in a humid environment, otherwise it may damage the remote control. Package includes: 1x Remote Control