JUNCTION BOX CONNECTOR: 2 way (3-pole) M16 plug connector, with two sizes of rubber ring, Cable Range: Ø3.5-7mm/7-10mm, the connectors include "live wire"&"neutral wire"&"earth wire". EXCELLENT MATERIAL: The connector made of PA66 material, Resistance to high temperature and low temperature, V-0 flame retardant, working temperature: -40°C~105°C, UL TUV SAA CE ROSH certified. AMAZING WATERPROOF EFFECT: Built-in Rubber ring and clamping nut, IP68 Waterproof / Moisture-proof / Dust-proof/Anti-UV, Can be used in water but not more than 3.5m. EASY TO INSTALL: Small size, light in weight, reasonably designed, just a screwdriver, so that the cable connector installed in any place where it needs. Note:When finished, check that all nuts are tight. WIDE RANGE OF CONNECTOR: Junction box connectors are suitable for connecting garden and outdoor billboard displays, tunnel lights, road landscape lights, underwater lights, street lights, etc.