Smart doorbell Rechargeable battery NEST White 206 g 160 x 24 x 46 mm (H x W x D) - WiFi- Bluetooth - iOS- Android Google Home app 2 years

Smart video doorbell EUFY Black 688 g 190 x 151 x 76 mm (H x W x D) WiFi microSD card - iOS- Android Eufy Security app 1 year

GOOGLE

Smart doorbell RING Satin Nickel 193 g 126 x 62 x 23 mm (H x W x D) Amazon Alexa WiFi - iOS- Android Ring app 1 year

Smart video doorbell EUFY White & black WiFi - iOS- Android Eufy Security app 1 year

Smart doorbell Mains NEST Black & white 121.6 g 26 x 43 x 117 mm (H x W x D) WiFi Nest app 2 years

Yes Yes 6 GB SIM-free smartphone Yes LED flash HONOR Ocean blue 490 g Lithium-ion Dual Nano SIM Bluetooth 5.0 Up to 40 hours 4G 180 x 89.5 x 59 mm (H x W x D) 6.81' TFT LCD Yes Yes Up to 774 hours USB Type-C Yes Yes 4800 mAh 128 GB Full HD 1080 x 2388p Yes No 2 years Yes

Built-in nightlight Wireless doorbell chime Mains RING White 177 g 103 x 26 x 69 mm (H x W x D) Dual-band 2.4 GHz & 5 GHz WiFi 1 year

Yes Yes 6 GB SIM-free smartphone Yes LED flash HONOR Titanium silver 490 g Lithium-ion Dual Nano SIM Bluetooth 5.0 Up to 40 hours 4G / 5G 180 x 89.5 x 59 mm (H x W x D) 6.81' TFT LCD Yes Yes Up to 774 hours USB Type-C Yes Yes 4800 mAh 128 GB Full HD 1080 x 2388p Yes No 2 years Yes

AMAZON Black 182 g 34 x 42 x 130 mm (H x W x D) Amazon Alexa WiFi USB drive for local storage - iOS- Android- Fire OS Blink Home Monitor app 2 years

Smart doorbell Rechargeable battery TP-LINK Black & white 176.2 g - Amazon Alexa- Google Home WiFi - iOS- Android TP-Link Tapo app 2 years

Smart doorbell RING Satin Nickel 1.9 kg WiFi Ring app 1 year