4.3" 可视门铃 #RL-B04B

- 4.3inch TFT screen with widescreen images and no radiation, low power consumption but high defifinition. - Ultra-slim and touch button design gives modern luxury and simplicity. - 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. - Adjustable volume of ring and talking, brightness and chroma of indoor unit.