BST Elevator Intercom System BH211 Serie 5 in 1 Whole Kit SELCOM : LCEKNX KM713130G01

: LCEKNX KM713130G01

Colorful decoration:

Back wall: Rose gold etching in the middle + Rose gold stainless steel

and is divided into standard protocol and customized protocol

please contact customer service

BST Elevator Intercom System BH211 Serie 5 in 1 Whole Kit SELCOM : LCEKNX KM713130G01Input voltage: 12V DC 24VDC 10% Standby current: 25mA Connection Cable: 2 Lines Maximum audio current: 300mA Frequency: 300 4000Hz Ringtone level: 70dB Car phone volume: 70dB Call distance: 3500m Connecting wire: 0. 75mm Working temperature: 1055 Supports up to 199 office address codes Missed call storage callback function *Please note before placing an order: This product contains lithium batteries, which are air transport controlled items and cannot