General Information Manufacturer Dantona Part Number SW-27 California Residents Physical Characteristics Dimensions 0.7" x 0.1" x 0.4" Weight (Approximate) 0.23 kg 0.50 lb Battery Information Battery Rechargeable Rechargeable Battery Chemistry Lithium, Lithium Polymer (Li-Po) Battery Capacity 36mAh Output Voltage 3.7 V