電池座紐帶電池座，1 x 3V CR2032 電池座，扣環電池座，帶線路開關

Battery holder voltage output :3V;Size :(LxWxH) /1.34″x0.94″x0.24″/34 mm x23.9mm 6.1mm
Safe and Reliable: The button battery holder has a switch function, no switch is required.Battery holder with cover, safe and anti-short circuit
Feature: The use of good quality materials and with impact resistance
Cable Diameter (measured by insulation around the wire):0.0393″/1mm;Wire Length :29cm/11.42in
Tip: Flip the front side up, the left line is positive, the right line is negative .(red line is positive, black line is negative;gold line is positive, silver line is negative)