Model: C-501 - Involve minimum installation easy and convenient to use and install - Image Device: Wireless CMOS Camera - Build-in microphone - TV System: PAL - Power Adapter Input: 100-240V ~ 50/60Hz 0.3A US Type Output: 5V- 1A 5V Max LPS - Power Supply: Built-in Rechargable Li-Battery 1.5 hours working time - Up to 80m transmission range in open space - Actual transmission range may vary according to weather location interference or building construction - Swivel Bracket Rotation Angle: 90 Degree - Package includes: - 1 * Camera - 1 * Power Adapter (AC 100V-240V) - 1 * USB Cable (154cm) - 1 * Stand