All of them do power on, but have not been tested for selling for parts only
eBay
Blink Outdoor 2K+ is compatible with all Blink Sync Modules and is required for use. Sync Module XR’s extended range capability is not applicable to Blink Outdoor 2K+. 2K video clarity — See more of what matters with sharper 2K video resolution.
eBay
Open Box - Excellent Condition Fully functional 2 camera system See images for accurate description
eBay
Compatible Models: Ring Video Doorbell 1/2/3/4/3 Plus/2020 Release, Battery Doorbell Plus (2023 Release)/ All-new Battery Doorbell Pro (2024 Release)/ Battery Doorbell (2024 Release)/ B Video Doorbell.
eBay
eBay
Motion detection with instant alerts. Location Indoor. Model B07X6C9RMF (Mini). USB power cable & adapter. Key Features. Works with Alexa. Night Vision Infrared. Audio Two‑way audio.
eBay
1 Blink Mini 2 (Black). What's inside the Blink Smart Security Bundle. Blink Outdoor 4. Blink Mini 2. Experience 1080p HD live view, night view in color with the built-in spotlight, a wider field of view, and crisp two-way audio.
eBay
The Blink Sync Module 2 Add-on Accessory is a white battery-operated device designed for the Blink smart security camera system. It features Wi-Fi connectivity and smart home compatibility with Amazon Alexa. This multiple-room system is equipped with outdoor/weatherproof capabilities, making it suitable for both indoor and outdoor locations. With a compact design measuring 2.48 inches in height and 2.8 inches in width, this add-on camera is lightweight at 0.35 pounds and offers easy installation. The device also includes storage capacity with a flash card and utilizes IP/Network surveillance technology for efficient monitoring.
eBay