Description: 800/500/400/300/100/50Pcs Solder Seal Heat Shrink Butt Wire Connector Terminals Copper An easy one step connection of wires, soldered, insulated and sealed Can be ideal use in marine and automobile applications Polyolefin tubing in outside and hot melt adhesive in inside Solder and seal and with advanced waterproof function Polyolefin heat shrink butt connectors improved pullout strength, provides seal, strain relief, cable check, and insulation Specification: Insulation: PE Plating: Tin Terminal Body: Copper Operating temperature range Operating temperature : -55℃～125℃ Minimum shrink temperature : 60℃ Starting temperature of solder melt : 138℃ Temperature of fully solder melt160℃ Color: Red, Blue, White, Yellow ,Black ----------------------1 pc Hot air gun------------------------------------ Brand new Material: plastic & metal Color: Black Size: approx. 225*47*20mm Input Voltage: 220V Power: 300W Temperature: up to 200℃ Package included: 100/250/300/400/500/600/800 Heat Shrink Wire Connectors with 1PC Hot Air machine