• Lucky Electronic Co

Electronic Door Knob Alarm

Lucky Electronic Co introduces SafRex brand Door Knob Alarm. It is an electronic security system suitable for use by offices, hotels, studios, clubs, jewellers, showrooms, homes, and travellers. It is simple in operation, and does not need screws or wiring to install. When touched it emits a loud piercing alan-n sound. It is suitable for use on all nonmetallic doors which have metallic knob with the power source of 1 piece of 9-V battery.