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. The CMD-4001 Includes: CMD-4000 4 function remote system. Two PDR-1 10 lb push/pull actuators. Two XMT-4 4 button remote transmitters. Features