Watson 4-Hour Rapid Charger with 4 AAA NiMH Rechargeable Batteries (1000mAh) Micro-controller Ensures Full Charging | Individually-Monitored Charging Channels Dual LED Indicators for Charging Status | Automatic Cut-Off: No Overcharging 100-240VAC Worldwide Voltage | Nickel-Metal Hydride Chemistry Batteries Rechargeable Up to 1000 Times Whats In The Box: 4AAA NiMH Rechargeable Batteries (1000mAh), 1-Year Limited Warranty