جرس الباب اللاسلكي لا يتطلب بطارية جرس باب مقاوم للماء طقم جرس باب مقاوم للماء 650 قدمًا 4 مستويات صوت 32 نغمة زر دفع ذاتي التشغيل وجهاز استقبال واحد

SMART&COMPACT RECEIVER - The doorbell receiver has 35 optional melodies and 5 adjustable volume levels(includes Mute mode). Expandable up to 32 transmitters and unlimited receivers for complete coverage of your property., MEMORY FUNCTION - Remember your last settings for the doorbell unit ( such as the different melodies for different transmitters) even if the AC power goes out. No need to reset the unit, it is super convenient to use., RELIABLE&DURABLE - It is a good ideal for any occasion such as house,apartment,office,classroom,warehouse and etc., SUPER EASY TO INSTALL - Ready to work right out of the box. Plug the doorbell receiver into a socket and fix the doorbell transmitter on anywhere you want with the included accessories., WEATHERPROOF TRANSMITTER - The transmitter is rated IP55 weatherproof and acceptable for outdoor use. The wireless range from the transmitter to the indoor receiver is up to 1000 feet(300m).