Welcome to our store! 1. For vehicles with a central control lock but no remote control, this product enables remote opening and closing of doors. 2. Multi-functional design supports remote control of car door locks, trunk release (requires trunk motor or installation of motor), car search function, car locking, and window control. 3. Standard remote control range is 50–100 meters (164–328.1 feet) in open environment. 4. Includes two remote control handles; available in two styles: 4# key and 6# key. 5. Constructed from high-quality ABS material for stability, durability, and reliable performance. Item Type: Car Remote Central Lock Kit Material: ABS Application: Universal Optional Key Style: 4# Key, 6# Key Power Supply Voltage: 12V Operating Temperature: -20°C to 70°C Type: One-way Alarm Operating Frequency: 433MHz Remote Control Code: Learning Code Functions: Remote Door Lock/Unlock, Remote Trunk Release, Car Search, Car Lock, Window Control Remote Control Battery: 2 x CR2016 (included) Package Includes: 1 x Main Unit 2 x Remote Control Handles 1 x Mounting Harness Set 1 x User Manual Customer Satisfaction: Our customers are our top priority. If you encounter any issues upon receiving the product, such as damage or incorrect item quantity, please immediately. We are committed to providing excellent after-sales support.