PACKAGE INCLUDED: 1 x Relay Module, 1 x 3.5mm Audio Cable.
PRACTICAL: The majority of smartphones and functions machine are DTMF code. Mode selection: Eight modes of , electric iron jumper (picture ) on the pads. Eight modes: Non-locking (Momentary ),self-locking (Toggle),inter-locking(), 5/20/60/120/250-second delay.
DESCRIPTION: Working voltage DC 12V,with reverse polarity . The default control command is 1/2/3/4/5/6/7/8. Example: Dial 1 to control relay 1, dial 2 to control relay 2, dial 3 to control relay 3, dial 4 to control relay 4; control commands can be changed any 1-4 bits.
DTMF AUDIO CONTROLLER: This is the DTMF audio controller with four channels, any phone or fixed telephone with DTMF key code remotely controls product relay open and close. Maximum Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC.
DIFFERENT RELAYS OPEN: Standby 11-13 MA, 1 relay open 44MA, 2 relays Open 77MA, 3 relays Open 110MA, 4 relays open 140MA, 5 relays open 170MA, 6 relays open 197MA, 7 relays open 223MA, 8 relays open 247MA.