Primus Micron Lantern The Primus Micron Lantern lasts for 12-24 hours on a single 225g gas cartridge. Features: Output: 70 watts Weight: 4.4oz Rustproof mesh Easy trigger ignition Hanging hook 3.6 L x 3.4 W x 6.9 H Packed volume: 1.4 liters Note: Gas cartridge sold separately.