12V 4Channels DTMF Audio Decoding Relay /Smart Home Controller /Remote Control Module

Product features
Working voltage DC 12V, with reverse polarity protection
Operating Current: Standby 11-13 MA, 1 relay
Eight modes of operation: Non-locking (Momentary ), self-locking (Toggle), inter-locking(Latch), 5/20/60/120/250-second delay
The default control command is 1/2/3/4
Product description
Specifications:

Size: as the picture

Weight: 72g

Maximum load: 10A/250VAC ,10A/125VAC,10A /30VDC, 10A /28VDC ,10A /12VDC