Instant electronic ignition with a refillable tank and see through window Also stable catalystic heating system Variable heat/temperature range up to 650C Run time approximately 20 – 25 minutes (at mid setting) Fuel: 55ml butane gas (widely available) Net weight without gas 68g Dimensions 110 x 27 x 85mm Includes 4, 74mm long heat shrinking tubes: 2 x 4mm dia, 2 x 5mm dia Replacement heat shrinking tube rolls available, please see Connect Part No 37113 (5mm dia), 37112 (32mm dia)