Blink Video Doorbell (newest model), Two-way audio, HD video, motion and chime app alerts and Alexa enabled — wired or wire-free (Black)

Google Nest Doorbell (Battery) - Snow

KIMILAR Anti-Theft Video Doorbell Mount Compatible with Ring/Blink Wireless Video Doorbell, Adjustable Mounting Bracket Accessories for Houses, Apartments, Businesses, No Need to Drill

AVANTEK Wireless Door Bell, Mini CB-11 Waterproof Doorbell Chime Operating at 1000 Feet with 52 Melodies, 5 Volume Levels & LED Flash

LUAMB Wireless Doorbell, 1,000ft Range Loud Enough with 5Volume Levels and Mute Mode Door Chimes LED Flashing

AIDA Lighted Wireless Doorbell, Home Waterproof Doorbell 1,000ft Range, 5 Volume Levels with 58 Doorbell Chimes & LED Flash (White, Doorbell with 2 Buttons & 1 Receiver)

TECKNET Wireless Doorbell, Portable Doorbell with RGB Light, Battery Powered IP66 Waterproof Cordless Door Chime Kit, 1300 ft Wireless Range, 60 Chimes & 5 Level Volume, Using Time up to 4.5 Years

AVANTEK Wireless Doorbell, D-3B Waterproof Door Chime Kit Operating at over 1300 Feet with 2 Plug-In Receivers, 52 Melodies, CD Quality Sound and LED Flash

RingDoorbell Screws Replacement, Blue Double-Ended T6 T15 Screwdriver with 20Pcs/5Set Doorbell Security Screws for Camera Video Doorbell Replacement Kits Compatible with All R/ing Doorbells

Wireless Doorbell, SECRUI Door bell Over 1000ft Coverage with 2 Plug-In Receivers, 1 Waterproof Push button, 52 Chimes, 110dB loud Sound Colorful LED Flash