Ring Video Doorbell 4 - Refurbished Maximum video resolution___2560 x 1440 pixels 1 mm Weight (with stand)

1 mm Weight (with stand) 12

plastic-free packaging with 90% recycled content

It is pocket-friendly being just 9

2 kg Packaging data Package width 627 mm Package depth 397 mm Package height 128 mm Package weight 4

Audio Built-in speaker(s) Yes RMS rated power 2 W Performance Built-in speaker(s) Yes RMS rated power 2 W Mean time between failures (MTBF) 50000 h Built-in microphone No Built-in camera No AMD FreeSync No NVIDIA G-SYNC No Compatibility VESA-P1 Low Blue Light technology Yes Flicker-free technology Yes Fast charging Yes Display Display brightness (typical) 250 cd/m² Screen shape Flat Display number of colours 16

Ring Video Doorbell 4 - Refurbished Maximum video resolution___2560 x 1440 pixels 1 mm Weight (with stand)Ring Video Doorbell 4 Refurbished Key Features HD Video with Night Vision Motion Alerts with Video Previews Two Way Talk & Quick Replies Customizable Privacy Settings Quick Release Rechargeable Battery Works With Alexa Overview Our upgraded battery doorbell with improved colour video previews. Video Doorbell 4 features enhanced wifi, a quick release battery for easy recharging, and Colour Pre Roll video previews of all motion events, so you'll never