The CMD-4000 Series remote systems are designed to lock/unlock doors or release a latch for a truck, etc. Actuators or solenoids may be required and are offered separately or in a kit. Key features of the CMD-4000 Series kits include Ignition Safety Lockout which prevents doors from opening when the key is on. The CMD-4000 comes with: Receiver 2- 4 Button transmitters 2- Single relay packs Emergency switch Installation Instructions CMD-4001 Includes: CMD-4000 4 function remote system. Two PDR-1 10 lb push/pull actuators. Two XMT-4 4 button remote transmitters. CMD-4001X Includes: CMD-4000 4 function remote system. Two PDR-2 35 lb pulling solenoids. Two XMT-4 4 button remote transmitters. CMD-4002 Includes: CMD-4000 4 function remote system. Three PDR-1 10 lb push/pull actuators. Two XMT-4 4 button remote transmitters. CMD-4002X Includes: CMD-4000 4 function remote system. Three PDR-2 35 lb pulling solenoids. Two XMT-4 4 button remote transmitters.