POWER SENTRY AccuPRO PSDL3 Black, 20-gauge steel POWER SENTRY AccuPRO PSDL3 FEATURES AND SPECIFICATIONS INTENDED USE Factory- or field-install inside or outside (field only) fluorescent fixture to operate lamp(s) at an initial output of 10% to 95% of rated lamp lumens, providing optimum, glare-free illumination for 90 minutes upon interruption of normal power.CONSTRUCTION Black, 20-gauge steel, permanently sealed housing. Polarized quick-connect light/switch assembly simplifies installation Integrated test switch/pilot light that requires only one-hole drilling (PSDL3). U.S. Patent No. (PSDL3) 6,522,147. PERFORMANCE Compatible with PL Twin-Tube, PL Quad-Tube, Triple-Tube, Long Compact for 90 minutes emergency operation. See compatibility chart on page 2. Low-glare, shadow-free illumination provides excellent visibility for safe building evacuation. BATTERY Sealed, maintenance-free, high-temperature nickel-cadmium battery. Ensures long life over a wide range of temperatures. Polarized battery connector simplifies maintenance and prevents charger damage due to improper connection. Pilot light and test switch provide visual and manual means of monitoring system operation. Automatic battery recharge after 90-minute discharge.ELECTRONICDual-voltage input capability (120V or 277V).Constant-current series resistor-type charger.High-efficiency push-pull inverter is the most effective method of converting DC power to AC power. It provides maximum light output, battery life and reliability. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours : Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)