A new revolution in laser scanner effects! The American DJ - Laser Widow 4.9 mW red laser with 16 pre-set geometric patterns. It operates by battery or a UL 115V plug adapter. There are 3 modes of operation: Auto Speed, Sound Active, & Manual control. Many images may be created in Manual control. This compact, affordable laser is great for mobile DJs, home Karaoke, small clubs, and special effects productions. Uses 4 AA batteries (not included); 9V DC power supply included • 100% mobile! • Low power consumption for applications where power is limited • Laser Diode: 4.9mW • Dimensions: 7” x 7.5” x 4” • Weight: 1.5 lbs. • Supply Voltage: AC or DC