Description Tactical Pen 100% Brand new and high quality which can be your perfect self-defense tool for emergency. Provide nice writing tools with high performance and bodyguard for emergency Diamond thread design at the handle, excellent anti-skid ability Effect tactical action, improve safety coefficient Strong attack defense head, control criminals effectively Can be used as broken glass apparatus for quickly escaping when driving in an emergency Manganese steel pen holder: Accord with ergonomics design, easy to hook on your backpack, bags, notebook Aviation aluminum material made, durable and practical Product model: MC1021 Product material: aluminum alloy Product size: 49cm, 41cm, 36cm, 31cm, 12.5cm Lamp beads model: strong light XML-T6 lamp beads Focusing method: not adjustable Light source lumens: 220-380LM Applicable batteries: 4 AA batteries for 49CM and 41CM baseballs, 3 AA batteries for 36CM and 31CM baseballs, 36CM rechargeable models, 41CM mace and 12.5CM baseballs use 1 18650 lithium battery. Working voltage: 3.7V Product net weight (without packaging): 49cm-400g, 41cm-310g, 36cm-280g, 31cm-220g, 12.5cm-115g Product gross weight (including white box packaging without battery): 49cm-450g, 41cm-360g, 36cm-320g, 31cm-250g, 12.5cm-130g, 41CM mace-500g White box size: 49cm super long 502*38*38mm 41cm Extended 420*38*38mm 36cm standard 365*40*40mm 36cm standard charging model 365*40*40mm 31cm shortened section 317*38*38mm 12cmMINI 138*41*41mm Product function: outdoor self-defense, anti-riot self-defense, emergency security, self-driving.