Main features of Dahua standalone analog door bell model VTH1020J:
Main features of Amazon Alexa model Dot:
Specification: Waterproof resistant. Installing In-ceiling Speaker Wireless, Portable Amplifier Sets 2Pcs Speakers (Main Ceiling Speaker & Sub Ceiling Speaker)
Specification: 1. 10in Capacitive touch screen IPS LCD with 1280X800 resolution 2. Aluminum alloy front panel 3. HD Video & Audio Communication 4. Built-in offline voice assistant 5. Eight channel inputs and two embedded relays 6. Built-in SIP PBX function 7. On Wall mount 8. Working Humidity: 10~90% 9. Support Android OS
Main features of Orvibo Smoke Sensor model SF30:
Main features of Orvibo Inwall Switch model R30W3z:
Main features of Orvibo Motion Sensor model SN20:
Main features of Akuvox Doorbell model R20A:
Main features of Orvibo multifunctional relay model CM10ZW:
Main features of Akuvox Doorbell model R20K: