ZK-KTD4 MOS Switch Trigger Cycle Time Delay Relay Solenoid Valve Control 5-30V RM 9.13 to RM 21.95RM 23.35
ZK-TD4 MOS Switch Trigger Cycle Timing Delay Module Solenoid Valve Control B2AM RM 8.72 to RM 20.54RM 9.30