50ft. Extension cable for the Digital Integrated Sensor Module. For use with all Link4 iPonic grow room controllers including 600 series 614, 624, and more. Wire/cable, black, red, green, white, PVC material, Shielded 4 conductors 24 AWG UL A connector Female - IP68, Immersible >1M, Twist and lock, In-line cable connector (4-6.5mm), 4 pin A connector, Male - IP68, immersible >1M, twist and lock, cable connector (4-6.5mm), 4 pin L-50' x W-3lbs