... TFT color display3.300meters barrier free remote control distanceProduct Name: Wireless video Doorbell(1v2) 1,2.4GHz launch frequency, Approx 300meters ... key3,3.5” digital screen, good viewing angle, clear long-range images, Approx 280M barrier free.4,Infrared night vision ... Plexiglas panel, Unlike mechanical buttons, cause damage for a long time or moisture, with effect of completely waterproof and ...