Place of Origin Guangdong, China (Mainland) Brand Name TA Model Number TA-999 Camera B/W Power DC3.6-6V color black and silver Monitor Screen 2.4 inch color screen Battery DC 5V ,work 100h,standby 5hours talk time Ringtone 12pcs doorbell chime selectable monitor Size 12.8cm*6.5cm*1.5cm Transmission distance 300-500m out door camera Power adapter 12V outdoor Size: L*W*H=12.5cm*9.3cm*3.5cm Installation surface mount (86*86mm case) Night view 6pcs LED light / Infrared Light. 1set/sale box ,12boxes/carton or as customer's requirements