Polyphony Sound: 36
Distance Coverage: up to 50 metres
Battery: Transmitter: 1 x 12V (INCLUDED)
               Receiver: 2 x AA (NOT INCLUDED)

MODEL NO.: 336
PACKING DIMENSION: L17.7cm x W4.3cm x H23.1cm
WEIGHT: 0.2KG

Installation:
• Open back of doorbell, take out the attachment and loads 2pcs of AA alkaline batteries (for general battery may leak electrolyte easily), use the screws to hang it on wall.
• When install transmitter, mount it by adhesive tape.
• Avoid installing transmitter in high temperature and most air.
• Please replace the batteries when the sounds turns low.