AMPLE & AJUSTABLE COMPARTMENT: Large housing holds both multiple connections and one on one connection; compatible with AWG 12/14/16 extension cord and flat cable; slide to adjust the position of the limiter for different lengths of connections FIRM 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 durable 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; ideal for holiday lights, string lights, pool pumps and garden tools etc
