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5v Active Buzzer Magnetic Long Continous Beep Tone 12*9.5mm..

Specifications(DC5V-6V):Lock size: approx. 28 x 27 x 19 mmMain Material: Steel frame & copper coinVoltage: DC 5V/ DC 6VWorking Current: approx. 0.83A (at DC 5V)/ 1A (at DC 6V)Force:  approx. 0.06KG (at DC 5V)/ 0.07KG (at DC 6V)Stroke length: approx. 4 mmTo control the life of the lock..