YYB-5 12v 24v Motor Forward/Reverse Control Board Two Relay Delay Timing Cycle Module Control Solenoid Valve Pumps sold2026 Premium Materials The fine rubber

Premium Materials The fine rubber coated surface can better integrate with the surface of the mobile phone

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

It can be used in seawater and extreme activites

UHF: 400-520 MHz(Rx/Tx)

Charging your phone everywhere Easy to charging at home

YYB-5 12v 24v Motor Forward/Reverse Control Board Two Relay Delay Timing Cycle Module Control Solenoid Valve Pumps sold2026 Premium Materials The fine rubberYYB 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