Application: watches, calculators, pen watches, electronic toys, pocket radios, etc. Features: 1. Votek alkaline button batteries deliver a high operating voltage, high capacity, and superior low temperatre characteristics. 2. The positive active material is manganese dioxide, the negative active material is zinc, and electrlyte is potassium hydroxide. 3. Excellent resistance to leakage and can be stored for a long period of time. Packing:10PC/BLISTER CARD, 20CARDS/BOX, 1,000CARDS/CARTON