Manfiter 220Pcs Solder Seal Wire Connectors Heat Shrink Butt Connectors Self-Solder Waterproof Wire Connectors AWG 10-12 14-16 18-22 24-26 Solder Seal Connector for Automobile Boat Watercraft Truck

Heat Shrink Butt Connectors (220 PCS Upgraded Version) (Don't need t rewire wires annually any more!) Features:  1.UPGRADED: Lower solder alloy melting point 80°C / 176 °F to avoid heat shrink tubes melted before the solder. PE heat shrink tube without harmful smell when heating. Safe and secure. 2.IMPROVED: More solder alloy added inside to avoid wires slipped out of the electrical connector. Also optional tube size AWG 10-12 14-16 18-22 24-26 with different colors for various cables. Improve the soldered splice stability. 3.WATERPROOF AND INSULATED: Wear-resistant PE tubing and dual-seal design (2 hot melt glue rings) improve waterproof performance significantly. Water-resistant, moisture-proof, insulated, anti-corrosion and wear-resistant. Great protective butt connectors. 4.FAST AND EASY USE: Just use a hot air gun to heat it and connect cables perfectly even in a narrow room. No crimping needed. No mess tapes, spoiled solder or spilled solder. 5.NICE DESIGN: Transparent sleeve of the solder butt connectors is easier to see how wires inserted. Easy to check the wires connection. 6.THICK QUALITY: Electrical wire connectors with premium quality allows a 15-month money back warranty for risk-free shopping. 7.Compliant with ROHS, ISO 9001:2008, SGS and CE standards. Specification: 1.Operating temperature range:  2.Minimum shrink temperature: 80°C  3.Operating temperature :-55? - 125?  4.Shrink temperature : ?70?  5.Shrinkage ratio: 2:1  Guarantee: 24 hours after sells service team for consultation. 15-month money back warranty for risk-free shopping. Package: 220*Solder Shrink Butt Connectors 1*storage box for a nice sort Note: Heat with a Gradually increasing temperature and rotation to heat all part of self-sealed wire connectors.