Power adapter for Biometric, CCTV Camera, Audio Systems musical instruments satelite box -Tatasky, Airtel, Bigtv, Videocon d2h etc, Router, LED TV, Access Control Machine, EM Lock, Door Electric Lock, Drop Bolt Lock, Strike Lock, and anywhere where 12v and 1-2 amp dc voltage required for power. It has 12 volt 2 amp low working volt- 90 to 240. This power supply is a regulated center positive power supply has a compact size & light weight. Regulated stable voltage. SMPS based adapter power LED monitor (LED glow when in use) stabilized output, low ripple & low interference high efficiency & low energy consumption.