Feature: 1. If the car has a central control lock but no remote control, the door can be opened and closed remotely with this product. 2. Mulitifunction style, it can remote control car door lock, remote control the trunk (it need trunk motor, or install motor), search car, lock car and control window. 3. Normal remote control distance of 50-100 meters/164-328.1ft(in open environment) 4. Equipped with two remote control handle, there are 4# 6# two style for you to choose. 5. High quality ABS material for stability and durability, dependable to use. Specification: Condition: 100% Brand New Item Type: Car Remote Central Kit Material: ABS Application: Universal Optional Type: 4# Key, 6# Key Power Supply Voltage: 12V Operating Temperature: -20-70℃ Type One-way Alarm Operating Frequency: 433mhz Remote Control Code: Learning Function: Remote Door Lock, Remote Control to Open the Trunk, Remote Control to Find the Car, Lock the Car and Control Window Remote Control Key Power Supply: 2 x CR2016 (built-in) . Package List: 1 x Host2 x Remote Control Handle1 Set of Mounting Harness1 x Instruction Note: 6# key side can hold key embryo (Not included).