R831C - Wireless Multifunctional Control Box
By Netvox Technology Co., LtdR831C have three relay switches(output) and three dry contacts(input). R831C can control 3 relay devices through external dry contact button or downlink commands.
R831C have three relay switches(output) and three dry contacts(input). R831C can control 3 relay devices through external dry contact button or downlink commands.