D/A691 Wireless remote control doorbell

Name: D/A691 Wireless remote control doorbell Power supply (different price): D691:Battery ; A691:Plug Features:The special and pleasant sound of the doorbell has32pieces of music for all people to choose.150m effectivedistance.Delicate streamlined appearance shows the special tastes of the host.Updated intelligent flash light design brings convenience to the hearing handicapped.Ultra-distance represents the technology of surpassing obstacles.Wireless easy mounting design never affects your inner decoration and makes the doorbell anywhere you like.All day long anti-interference system,pretends the doorbell from interferences outside or bewteen neighbors.Energy saving design of environment protection,the battery inside the button can last for one year(20 presses per day)Delicate smart part, makes the doorbell a saluting angel of dwelling house,work building,hotel,tire building,factory and so on.You will never miss any guest.About our superiority:We own advanced tacilities,certain scaled factory and under a professional team with wonderful technique.