SMATRUL Wireless Doorbell BATTERY MODEL [1 BUTTON - 2 RECEIVERS] - Black Back brace 1 Case includes 12 pcs/1KG

1 Case includes 12 pcs/1KG

This wireless doorbell is ideal for classrooms

Enjoy the convenience and versatility of this bulk package

Application:Running/hiking/cycling/climbing/camping

PORTABLE DESIGN: A lightweight design combined with easy setup makes this an easy accessory to your next workout at the beach

SMATRUL Wireless Doorbell BATTERY MODEL [1 BUTTON - 2 RECEIVERS] - Black Back brace 1 Case includes 12 pcs/1KG60 Music Selection The doorbell has 60 melodies for you to choose from, and the doorbell volume has 4 adjustable levels, namely "Large, Medium, Small, Silent" levels, from 0dB to 110dB. The pleasant sound of the wireless doorbell can spread throughout the house and walls, and can be heard anywhere in the house to notify you that a guest has arrived. Battery free transmitter The transmitter of this wireless doorbell does not require the installation of