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JK Inverter BMS 16S 48V lifepo4 PB-2A16S20P 2A Active Balance 8S 16S 100A 150A 200A 24V CAN RS485 RS232 BT Camping Battery Pack
AC 110V 120V 220V 230V LED Dispaly Multifunction Time Cycle Loop Delay Switch Timer Relays Turn ON/OFF Control Module
Audio/Headphone/Sound Signal Trigger Detection Relay mV Voltage Relay Switch Module 5/12/24/V Voltage detection range 0~50V
110/220V HIFI Mono 200W Heavy Subwoofer Digital Active Power Amplifier Board Pure Bass Professional Home Audio System
Check whether the voice and audio signal has control relay open and close the voice sensor module 5V with the shell.
4 input 1 output Audio Input Signal Selector Relay Board Stereo Signal Switching Amplifier Board RCA For Speakers
Detection of voice sensor audio / headphone input control relay switch module 5/12/24V with shell
10W MP3 Voice Module DC 12V-24V WAV Sound Player with Box Case 128M TF Card Programmable Control for Voice Alarm
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