1、WEATHER RESISTANT CONNECTION: This waterproof junction box (just waterproof; do not submerge it in water) offers a waterproof sealing to defend outdoor and indoor plug connections from water, snow, rain, dust, and dirt, guaranteeing circuit safety. 2、LARGE AND ADJUSTABLE COMPARTMENTS: Compatible with AWG 12 14 16 extension cords and flat cables, sliding the adjustable limiter to fit varying connection lengths. 3、SECURE AND TIGHT CONNECTION: The power cord fits into the rubber sealing on both ends, which firmly hold the wires in place. The anti slip saw tooth, which is adjustable, makes sure that the connection remains tight even when the power line is pushed during usage, preventing the plug from slipping or disconnecting. 4、DOUBLE LOCKING AND PROTECTION: The outdoor extension cable's safety and sealing are improved by the top cover and four more sturdy locks. The power cord junction box is secured by the four lockable locks, so even in the event that the top cover breaks, it may still be used safely. 5、EASY TO USE: No tools or installation required; correctly place the extension cord; slide the limiter to maintain a secure wire connection; lock the top cover and 4 locks for sealing; hanging it to save space; perfect for holiday lights, light strings, pool pumps, and gardening tools. Item Type: Outdoor Extension Cord Safety Cover Set Material: ABS Junction Box Size: Large: Approx. 345 x 240 x 130mm / 13.58 x 9.45 x 5.12in Small: Approx. 180 x 60 x 57mm / 7.09 x 2.36 x 2.24in Application: Suitable for AWG12, 14, AWG16 outdoor wire connection, waterproof junction box Quantity: 1 large square terminal box and 4 small terminal boxes with claw and hanging holes 1 x Large Square Junction Box (Splits into Upper and Lower Sections) 4 x Small Junction Boxes with Clamps and Hanging Holes 10 x Cable Ties 1 x Self Adhesive Tape (Double Sided) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store