YYB-5 12v 24v Motor Forward/Reverse Control Board Two Relay Delay Timing Cycle Module Control Solenoid Valve Pumps sold2026 Clip-on speaker mic combined with

Clip-on speaker mic combined with PTT (Push to Talk) button

make table decor elegant

Charging your phone everywhere Easy to charging at home

protect against dust and rust

YYB-5 12v 24v Motor Forward/Reverse Control Board Two Relay Delay Timing Cycle Module Control Solenoid Valve Pumps sold2026 Clip-on speaker mic combined withYYB 5 12v 24v Motor Forward Reverse Control Board Two Relay Delay Timing Cycle Module Control Solenoid Valve Pumps See the preview for details on the Function list. Key Settings Description: Power display " " that access to standby; Press the first time K1, the screen shows: P 1: K2 and K3 adjustment mode Press the second time K1, the screen shows: A001: K2 and K3 adjust the first time A, K4 adjust the decimal point (time unit) Press the third time