Model Number: Extension stick-4 Brand Name: Raysun Key Specifications/Special Features: Extension stick: (length of 38cm)Use with X-1 or X-1 plus to extend the effective rangeAllow to use as a stun baton to enhance the defense during confrontation with up to 3.5/6m deploy distanceOutput current: 0.1mA. ItemDimensions Weight Specification Function Material Effective Range Extension Stick 380(L)x25(W)x20(H) mm±5mm) 183±5g With conductive steel body to extend the effective range. To stun a target while avoiding face-to-face confrontation Steel 38cm