#1	Easy to install 12 door bell Two installation methods of wallmounted and doublesided adhesie tape easy and conenient
#2	Office access system Switch is not included A good replacement for the old and broken one
#3	Door bell chimeFeatured with soft DingDong oice output and clear ding dong playing bell sound
#4	Superior performance External wired doorbell for security access control connect to DC 12 power directly high reliability ensure excellent alarm function
#5	Premium ABS plastic material antidiscoloration for maximum durability