*SHIPS WITHIN 1 - 2 WORKING DAYS FORM & FUNCTION - Forgo the hassle of changing your battery by directly connecting your Ring Video Doorbell to the power adapter. The 1.5m long cable can be set up in minutes. (output of 18V/500mA) CONTINUOUS CHARGING - You can now let your video doorbell operate continuously without the need to remove it to change its battery. This enables uninterrupted operation and On-demand viewing. NO BATTERY DRAINAGE - our power Adapter allows you to keep your ring doorbell always juiced up. No more downtime and interruptions Due to empty batteries. SATISFACTION GUARANTEED - If any of our products fail to meet your expectations, please get in touch with US and we'll try to resolve the issue. If unresolved, you'll get a refund or replacement.