ITEM NAME:2 pieces water level sensor of float switch zp4510 for control of aquarium A4Q2 2 pieces water level sensor of float switch zp4510 for control of aquarium A4Q2 Product name: Water level sensor; Model No.: ZP4510; Max Contact Rating: Max Contact Rating; 10 W: 10 W Max switching Voltage: 220 V DC / AC; Max Switching current: 1.5 A; Max Voltage Breakdown: 300 V DC / AC; Current Max Carry: 3 a Max Contact resistance: 100 m and # x3 A9 ;; Temperature index:-10 / + 85 Celsius Material: P.P Size: Thread diameter (approx): 9.5 mm / 0.374 inch; Body switch: 23.3 x 57.7 mm / 0.9 x 2.27inch (Max D * H); Cable Length: 36 cm / 14.2 inch Color: White, yellow Package content: 2 x water level sensor Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.