นาฬิกาปลุกกันน้ําแบบไร้สายนาฬิกาตั้งโต๊ะ

นาฬิกาปลุกกันน้ําแบบไร้สายนาฬิกาตั้งโต๊ะ  Wireless Doorbell Waterproof Door Bell Chime Kit 4 Volume 45 Chimes with LED Flash Indicator
SMART DOORBELL RING CHIME SYSTEM - Door bell receivers can be configured to RING WITH DIFFERENT door chimes or ringtones to let you know which transmitter was triggered. It's smart and very convenient feature, especially for multiple doorway entries. LONG RANGE WIRELESS DOOR BELL - Our wireless doorbell system has a long range operation with the receiver at over 1000 feet. COMPLETE SET - The doorbell wireless kit offers a complete set of or a base start kit that includes 1 plug in doorbell receivers and 1 remote doorbell transmitter buttons, double sided stickers, screws, A23 battery is included. Perfect as door chime for business when entering and even as classroom doorbell for teachers. WIRELESS DOORBELL KIT COMPONENT - 1 doorbell transmitter button can be configured to ring DIFFERENT chime units EASY INSTALLATION - No batteries required plug receiver and easily installed transmitter, will be set up in only several minutes.And there are 2 ways to place your receiver-by sticker & screws.