Ezviz T4C 360-Degree Smoke Detection, Loud Siren (85dB) & Strobe Light Alarm, Dual-photoelectric Smoke Sensing Technology, Instant Alerts via EZVIZ App, Compact & Light Design, DC 3V, Lithium Battery.

EZVIZ T1C PIR Motion Sensor, Detection type: Passive infrared (PIR), Human Motion Detection, Detection distance: Up to 7 m / 23 ft, Support Low Battery Reminder, Anti-Tamper Alarm, Communication Distance: < 200m, Cell battery CR2450.

EZVIZ T2C Open Close Sensor, Open / Close Detection, Anti-Tamper Alarm, Low Battery Reminder, Cell battery CR1632 × 2, ZigBee 3.0.

EZVIZ A3-R200 Home Gateway, Type-C, Up to 64 ZigBee devices, 1*RJ45, Wi-Fi (2.4 GHz), Built-in Antenna, Channel Bandwidth 20 MHZ, Wi-Fi Pairing, Communication Methods RJ45 interface network cable, Wi-Fi & Bluetooth, 85dB Audible Warning, 10 °C to 55 °C, DC 5V / 1A.

Ezviz SD7 Smart Screen, 7-Inch IPS Touch Screen, Smart Integration with EZVIZ Devices, 4,600 mAh Rechargeable Lithium Battery (Type-C charging), Live View & Playback, Remote Control via EZVIZ App, Two-Way Talk, 2.4 GHz Wi-Fi, Easy Installation, Screen size: 6.97 inch, Resolution: 1024 × 600, Built-in high-sensitivity microphone, Built-in high-power speaker, Support up to 30 EZVIZ Devices, 0°C to 40°C.