Features: Mini UPS uninterruptible power supply is a standby energy storage power supply. Used safe and environmental credible and stable PCB, trickle/constant current/constant-voltage charging BMS. Created by high performance and efficiency DC-DC, boosting and switching circuit. This mini UPS with perfect over-charged, over-discharged, over-current and short-circuit for protection. Application: for Smart 12V mini ups widely use for fingerprint attendance machine, fire safety system, security monitoring system, wireless camera, CCTV camera, personal treatment system,Door security system, personal data assistant, emergency lighting, Alarm system, personal communication systems, radio, digital cameras, camcorders, video camera, Bluetooth-compatible devices, CD players, MD players, portable DVD, MP3 players, for smart cards. Specifications: Rated Capacity: 22.2W Input Voltage: 12V5% Input Current: 2000mA Output Voltage: 12V5% Output Current: 2000mA Working Temperature: -20~65 for Shell Material: ABS Dimensions: 111x60x26mm/4.37x2.36x1.02inch Interface Dimensions: In: 5.5x2.1mm/0.22x0.08in; Out: 5.5x2.5mm/0.22x0.098in Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Uninterrupted Backup Power Supply