[Singapore Local Seller] Wireless Home Door Bell with wireless transmission signal up to 120 Meters Range 16 Polyphonic melody / Chords 36 music 2 Adjustable Volume 200~240VAC 120m Transmission Range 12V3A Batteries Required

Typically, standard battery can last about a year.The wireless door bell button needs 12V23A batteries to work (excluding batteries).Up to 120 meter receiving distance (In the open area) and Wireless Transmissor is subject to metal electromagnetic interference.Avoid placing at metal door.ZOGINWireless Digital Door Bell Model : B09Zogin B09 wireless door bell has an ultra-long transmission distance that can reach 120 meters. 16 Polyphonic Melody / Chords 36 Music UK Standard Plug (3 Pins Plug) 200~240VACIncluded in the box: 1 x Doorbell transmitter, 1 x Doorbell receiver, 1 x Double sided tape, 1 x Screw