Remotely lock / unlock your car. More easy way to control your car. Also with flashing alert. Features: Remotely lock and unlock your car. With trunk release button. Comes with 4 door lock actuator. To help you find your car parking location. Flashing alert. Universal suitable for all types of cars. Specifications: Control box size: approx. 9 * 6 * 2.5cm Remote controller size: approx. 6 * 3.4 * 0.8cm Voltage: 12V ± 2V() Static current: ≤15mA Indicator current: 20mA sensor current: <1mA Frequency: 433.92MHz Remote distance (Max.): about 50-80m Package size: 25 * 15 * 8cm / 9.8 * 5.9 * 3.2in Package weight: 940g / 2.1lb Package List: 1 * Control Box 2 * Remote Controller 4 * Door Lock Actuator 1 * Wire 1 * Set Installation Accessory 1 * English User Manual