About this item

• 【DESIGNED FOR BLINK VIDEO DOORBELL】ONLY compatible with Blink Video Doorbell. No need to change the battery or spend your money on blink batteries.
• 【LONG CABLE】16.4ft/5m long extension power cable allows you to position your doorbell inside or outside your house without worrying the distance.
• 【FCC& UL CERTIFIED】 5V Power adapter is UL certified, safe and no battery damage, let your blink doorbell provide continuous security.
• 【EASY TO INSTALL】Just put our battery in the doorbell, it'll work and keep your doorbell always charging.
• 【OUR SERVICE】ALERTCAM dedicates to provide high-quality and long-lasting security camera accessories for all our customers. If any problem, do not hesitate to contact us for help.