特性
经久耐用, 盲文标志, 环保, ILLUMINATED, 防水
Item name
Hotel Wireless Doorbell System Doorplate Door Bell
Operating Voltage
AC:220V DC:5/12V
Storage Temperature Range
0-50℃
Product Size
120*220mm/ 140*240mm custom
Color
black/champain gold/brown panel+silver/metal frame
Operating Humidity
0-90%RH
Life time
Screen button 1 million times,relay contacts 100,000 times
Material
tempered glass panel+stainless steel frame
Guarantee
5 year free warranty