Crony 4-Way Intercom Audio Doorphone Loudly Clear Voice Doorbell Kit Easy to Install -RL-0004 fog machine supplies ◎ Control mode: Auto/Sound/DMX512/Master-slave

◎ Control mode: Auto/Sound/DMX512/Master-slave

Power consumption: audio 10W light 7W

Support WIFI wireless network connection

automatically pair with your device

downloading or uploading audio-visual materials can be realized through the USB interface

Crony 4-Way Intercom Audio Doorphone Loudly Clear Voice Doorbell Kit Easy to Install -RL-0004 fog machine supplies ◎ Control mode: Auto/Sound/DMX512/Master-slaveProduct Description Warranty: 12 Months Multi user intercom 4 way kit. Build in microcomputer controlled circuit and coding and decoding digital circuit. Only 4 cables for connecting all the units with stable performance and anti interference function. Intercommunication is available between indoor phones with privacy kept. Busy line reminding and ring off indicating Centralized power supply. Clear voice. Maximum talking distance: 300m. 4 wire