Power Source: Battery Powered

Battery Cell Type: Alkaline

Batteries (Doorbell): 6 AA 1.5V LR6 batteries (included)

Repeater Power Supply: 5V/1A USB-A to USB-C supply line

Connectivity Protocol: Wi-Fi 2.4GHz, IEEE 802.11b/g/n 1T1R

Compatible Platforms: Aqara, Apple Home, Alexa, Google Home, IFTTT

Video Capture Resolution: 1080p

Video Capture Format: MPEG-4

Special Features: Local Recording Support up to 512 GB microSD card local storage

FOV: 162° (subtended angle)

International Protection Rating: IP66

Externally Connected to Power Supply: 12V-24V AC 0.2A 50/60Hz, 8V-24V DC 0.5A

Color: Shadow Gray

Item Net Weight (Doorbell): 0.36 Pounds / 0.16KG

Item Net Weight (Repeater): 0.15 Pounds / 0.068KG

Gross Item Weight: 1.21 Pounds / 0.55KG

Product Dimensions (Doorbell): 5.57 x 2.56 x 1.2 inches (141.5 × 65 × 30.4mm)

Product Dimensions (Repeater): 2.57 x 2.56 x 1.12 inches (65.2 × 65 × 28.4mm)

Operating Temperature: -18°C ~ 50°C (-0.4°F ~ 122°F)

Operating Humidity: 0 ~ 95% RH, no condensation