DS18 RC-CLS4 Red Cobra Central Lock 4 Door System, One Master and Three Slaves Control Module Central Door Locking System for 4-Doors. Superior Quality and High Technology. Universal Features and fits any model of any brand. Parting line sealed by ultrasonic welding. Newly designed actuator with 100% original ABS housing. Working Temperature: -40 to +80 degrees Celsius. Push/pull force: 5.50 Kgs. Stroke: 18 to 20 mm. Hardware with 8 mounting holes for flexible installation. Patented double track design, moving more stable and anti-block. Steel power metallurgical main gear allows 100,000 times life cycle. Voltage: 12VDC +/- 2V. System of Control: Negative ground. Motor with Japanese Technology. Compatible with any car alarm system. 360-degree swivel or fixed head available. Water Resistant. Converts any vehicle with manual door locks to central locking power door locks. Adjustable positioning hardware for easy installation and quiet operation. Master Control plus 3 Slaves modules