8PCS HD smart electronic doorbell, 32 tones optional, super power saving Advantanges: - Motion detection and doorbell click auto photo / video record (video record need insert TF card (optional)) - Build-in memory chip, can record 90pcs photos without TF card (Auto Loop Coverage), if you no need video record, can save money for you - Rechargeable battery(include) and Android charger power supply optional(not include) - 5 Languages support, English, Russian, Spanish, French, Arabic - 2.8 inch big IPS color screen - Support max 32GB TF card (optional) - Brightness LED for night view - 32 tones optional - Super power save - High-end case with super easy install Specifications: - Power supply:Rechargeable battery(include) and Android charger power supply optional(not include), batteryremovable, 12 months guarantee,universallithium battery, easy exchange, charger include, 1 time charge work about 2 months -Camera Resolution:300,000pixels / 120 degress - Photo format: .jpg(Build-in memory chip, can record 90pcs photos without TF card (Auto Loop Coverage)) - Video format: .avi (10 seconds video for each record, need TF card) - Motion sensordetect distance about 2 meters - Door thickness: 35-110mm - Peephole diameter: 15-50mm - Color: gold