We use several of these ourselves. Large but not to large of bulky, perfect for dark countryside dog walks, finding horses in fields but I would say not running, a bit too bulky for sports use and a bit over the top for reading even on low beam

Super Spot Head-a-lite Rechargeable Headlight illuminating up to 250 metres with a white focused beam.

18 Hours Duration on High Beam

Super Bright 3W LED

250m Long Distance Spot Beam with flood at closer range

High & Low Beam Functions

Rechargeable Li-ion batteries

Elasticated Head Strap with Battery Container with Rechargeable Li-ion Batteries

Quick recharge time of 6-8 hours

Comes supplied with:-

• 3w LED Head Light
• Mains Intelligent Charger
• Rechargeable Li-ion Battery Pack
• Adjustable Head Strap