- Used for 2S-6S (7.4V - 22.2V) Li-Po batteries<br />- Protect reverse connection<br />- Quick and easy test battery voltage<br />                                                                                                                                Dimensions: 1.89 in x 0.79 in x 0.39 in (4.8 cm x 2 cm x 1 cm)<br />Weight: 0.25 oz (7 g)