General Information Manufacturer Dantona Part Number SW-22 California Residents Physical Characteristics Dimensions 0.9" x 0.1" x 0.5" Weight (Approximate) 0.01 kg 0.03 lb Battery Information Battery Rechargeable Rechargeable Battery Chemistry Lithium, Lithium Polymer (Li-Po) Battery Capacity 50mAh Output Voltage 3.7 V