7" 可视门铃 #RL-B7H

- 7inch TFT screen with widescreen images and no radiation, low power consumption but high definition. - Water-proof, oxidation-proof, abrasion-proof and anti-vandalism metal alloy panel outdoor unit. - Release the electric lock. - Monitor the outside. - 16 melodies for option. - Ringtone, talking volume, image brightness and chroma settings through the menu.