[WEATHER-RESISTANT CONNECTION] This waterproof extension cord connector provides a watertight sealed space to protect outdoor & indoor plug connections from the elements like water, snow, rain, dust, and dirt to circuit safety ( Note: It is -resistant. Do not submerse it in water) [AMPLE & AJUSTABLE COMPARTMENT]Large housing holds both multiple connections and one on one connection; compatible with AWG 14/16 extension cord and flat cable; slide to adjust the position of the limiter for different lengths of connections [FRIM AND TIGHT CONNECTION]Rubber seals at both ends conform well to the power cord; 2 clamps hold the cords tightly in place; adjustable anti-slip serrations keep the cords securely connected to prevent the plugs from sliding or disconnecting even if tug the cords in uses [DOUBLE LOCK & PROTECTION] The top lid and 4 extra latches enhance the sealing of the outdoor extension cord safety seal; 4 lockable latches secure the cord safety seal box fastened for safe use even if the top lid is broken off [EASY TO USE] No tools or installation required; place the extension cord properly; slide the limiter to keep cords securely connected; lock the top lid and 4 latches for seal; hanging to save space; perfect for holiday lights, string lights, pool pumps and garden tools etc Protect You and Your Electrical Devices Seals out water, snow, rain, dust, and dirt, keeps cords dry and together. perfect for both indoor and outdoor applications like holiday decoration, string lights, water fountains, pool pumps, garden tools, and power tools, etc. Capacity: 14/16 Gauge Cords & Flat Cable Colour:black Material:plastic Size:about 21 x 7 x 6cm Package Contents: 3 x Extension Cord Safety Seal Water Resistant Box Note: It is -resistant. Do not submerge it in water. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.