Our pick for most homes: no monthly fee required
Blink Battery Doorbell 2K+
Choose the Blink Battery Doorbell 2K+ if…
Renters, homes without doorbell wiring and anyone who wants free local storage instead of a plan
DetailsSpecifications
It’s the only one of the two that keeps recording with no subscription: clips go to a USB drive on a Sync Module 2 or a microSD card in a Sync Module XR. Blink rates its three AA lithium batteries for up to 16 months at full 2K quality.
- Video
- 2K, 1920 × 1920, 1:1 head-to-toe view
- Field of view
- 140° horizontal × 140° vertical (173° diagonal)
- Power
- Three AA 1.5 V lithium batteries (non-rechargeable); optional wiring to 12–24 VAC, batteries stay as backup
- Battery life (Blink estimate)
- Up to 16 months at Best (the default), 19 at Standard, 22 at Saver, per Blink’s FAQ; Blink’s spec sheet says up to two years on default settings
- Hub
- Sync Module required; the Amazon system bundle ships with Sync Module Core, which has no local storage
- Local storage
- USB drive on Sync Module 2 or microSD card on Sync Module XR, no subscription needed (not on Sync Module Core)
- Cloud video
- Up to 60 days with a Blink plan (US)
- Wi-Fi
- 2.4 GHz only (802.11b/g/n); 6 Mbps upload for Best quality, 2 Mbps minimum at Saver
- Night vision
- Infrared, up to 33 ft (10 m) at High
- Weather rating
- IP65
- Operating temperature
- -5°F to 113°F (-20°C to 45°C)
- Size and weight
- 1.89 × 5.19 × 1.34 in, 4 oz
- In-home chime
- Rings your mechanical chime when wired; otherwise Blink Chime, Blink Mini or an Alexa device
- Model number (US)
- BDM00400U
- Announced
- May 6, 2026