Wireless Doorbell by SadoTech - Waterproof Door Bells & Chimes Wireless Kit,1000-ft Range, 52 Door Chimes, 4 Volume Levels with LED,Wireless Doorbells w/ 2 Receivers & 2 Buttons, Starpoint, BLACK VERSION 

• THIS WIRELESS DOORBELL KIT IS the perfect starter for any wireless doorbell user!
• KIT CONTAINS: 2 wireless doorbell transmitters and 2 plug in smart doorbell receivers, double sided mounting tape, anchors, screws and A23 BATTERIES INCLUDED. 
• Sleek, modern LED INDICATOR lights illuminate both transmitters & receivers & can be set at 4 VOLUME SETTINGS, from low for naptime to high during a party. 
• Can be used from -4º to 140º F (great for outdoor mount in cold or hot climates!)
• 52 ringtones you can choose from - more than most - no "tinny" annoying sounds! 
• Memory chip stores your chime selection - even when it's unplugged or turned off!
• 1000Ft range - more than most!
• Black color included in this set! 

Buy with confidence - 23 year eBayer!