Door Belll, Mechanical Door Bell (PP3141)

• Strong anti-interference
• Low power consumption
• Idea for home, office, factories, guest rooms in hotel etc..

Installation

• Open the battery compartment cover of the receiver and load 4 x R14/C batteries (Not included)
• Fix the transmitter on the wall near the door with screws or adhesive tapes.
• Avoid placing transmitter near high temperature moist area, metal or electromagnetic surfaces
• Please replace the battery if the transmitter is not functioning properly
• Package Dimensions10.5x5x17cm