1、High and Low Temperature Resistance: Waterproof wire quick connector is made of premium PC plastic, strong temperature resistance, easy to withstand high and low temperature ‑40 °C‑105 °C. 2、Easy to Use: Waterproof wire quick connector without stripping, plug in without tools, direct rotation of snap on broken wire, 2.5mm² hard wire. 3、Waterproof Performance: Waterproof wire connector has waterproof glue, which can automatically heal when cracked by external force, and has an excellent waterproof effect 4、Electrical Insulator: The housing of the CDF R3 wire connector has a coating process to prevent gas pollution and is safely insulated. 5、Widely Used: Waterproof connector is used for wiring related to aquatic projects, such as household fish tank wiring, lamp lighting, etc.