Feature:Electric lifting magnetPowerful and compactSmooth and flat surfaceLow consumption and reliableApplications: assembly line, sorting machine, mechanical arm, experimental facility, etcNOTE: Non-magnetic with Power On; Magnetic with Power Off Specification:Voltage: DC 4.8V-6.5VPower: 3WForce: 1.5kg / 3.3lbDuty-cycle (%) : 50%Electric time:Less than 7 minutes Overall Size : 18 x 16mm / 0.71 inch x 0.63 inch(D*H)Lead Length : 65mm / 2.56 inch Package Includes:1 x Holding Electromagnet Cautions for the use of electromagnets:1.The object absorbed must be a good magnetic material. 2.The suction surface of the electromagnet must be smooth and clean. 3.The thickness of the object is 5mm best. 4.The contact surface of the object must be larger than the adsorption surface of the electromagnet.