2021.07.14 03:04China Magnetic Latching Relays CompanyShop by interface or channel – there is a wide range of options starting from XSC long range wireless DPDT which ranges up to 15 miles to a 32 channel DPDT relay board. DPDT stand for double pole double throw. it is a timer which is easy to operate.If you are concerned about safety issues in your home then you should consider us...