Hobby Lamp Magnifying Lighted Cane Accessories * Supports Sleep Study Mode MSHQ 1594XL * Supports Sleep Study Mode which enables the clinician to dim the LCD display and silence alarms to prevent disruption of patients 0 A @ 12 VDC) * Internal Battery Average Charge Time: 4 Hours * Oxygen Concentration: 87 to 95% @ 5 l min setting within 4 to 6 minutes * Environmental Conditions: Temperature Range: 41¯F to 104¯F (5¯C to 40¯C) The perfect magnifying light that goes anywhere * Cordless electric convenience * 3X magnification with powerful 5X bifocal spot magnification * Large glass magnifying lens * Bright white LED's for long life * Easily moves from room to room * Perfect for needlework quilting cross stitch sewing knitting reading and more * Heavy base for stability * 58 tall * Takes 3xAA batteries *