Feature: Model:LB-501 Name:keyless entry system 1.Remotely lock and unlock your car 2.Light flashing output 3.Remote car location 4.Negative trunk release output 5.Learning code 6.Siren output 7.Waterproof, moisture-proof, dust-proof 8.Connecting rod can be rotated 360 easy to install 9.Universal for any cars Specification: 1.Voltage: 12V 2.Thrust:3 kg 3.Action stroke:20mm Main unit: 1.Size: 77 x 6 x 2.5cm (L x W x H) 2.Static Current: