Bakeey 1 Button 2 Receiver Wireless Doorbell Waterproof Remote US Plug Smart Home Chime

Features: - Digital Chip Precision Control - 200m Penetrating Signal - 45 Chimes and Tunes - 4 Adjustable Volume Levels-0-115dB Volume Range ? Specification: Plug: US plug Color: Black Size: Reciver 61 x 46 x 103mm / Butter 45 x 81 mm Signal Distance: 200m ? Package includes: 1 x Wireless Doorbell Waterproof Remote Button? 2 x Wireless Doorbell Waterproof Remote Receiver