1. Fold-out US plug design, 100-240V 50/60Hz worldwide input voltage, 150mA max input current; 4.2V (8.4V) 600mAh output. 2. Charge indicator green lights for standby, red is for charging. Which can prevent the overcharge and over discharge. 3. Space-saving and cost-efficient, convenient your trip, business, and all the outdoor exercise. 4. Fast charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. 5. Fully compatible with CASIO NP-110 original battery and rechargeable battery. 6. Suitable for CASIO EX-Z2000 digital cameras.