This battery is a cost-effective alternative to the original battery and can effectively solve the problem of short running time of the device. Excellent Quality No fictitious, real battery capacity Safer, original standard production …. Fit Models: For Opticon OPN-2000, OPN-2001, OPN-2002, OPN-2004, OPN-2005, OPN-2006 Part Number: For Opticon Note: Please double-check that the battery is compatible with your device before purchase!?Customer Service?Please feel free to contact us with any questions and we will respond within 24 hours. All products are covered by one year free warranty when failures occur under non-human responsibility. ?Cost-effective Replacement?The battery is a cost effective alternative to the original battery and is fully compatible with the original battery specifications. ?High Quality?The battery is manufactured with high-quality materials and circuit boards to ensure long life and high performance. All products have ISO9001, RoHS and CE certification. ?Battery Specification?Battery Type: Li-Polymer, Voltage: 3.7V, Capacity: 190mAh / 0.70Wh, Dimension: 26.10 x 20.40 x 5.50mm. ?Fit Models?For Opticon OPN-2000, OPN-2001, OPN-2002, OPN-2004, OPN-2005, OPN-2006.