Output Voltage: DC 12V; Input Voltage: AC 100-240V, 50/60Hz; Connecter Size: Barrel Tip (Refer to the pictures) 12V Replacement Charger Compatible with Bayco NightStick 2372 2382 2392 2472 2482 2492 NSR-2372 NSR-2382 NSR-2392 BAR-2392 NSR-2472 NSR-2482 NSR-2492 Rechargeable Task Light LED Spotlight Features: Low interference and noise. Advanced technology and high quality. High efficiency and reliability Safety& Reliability: PowerHOOD products has been tested many times for providing protection, featuring overcharging, overheating, overvoltage and short circuit protection, which will charge your devices efficiently and keep you and your devices safe