Connection method: Connect positive and negative electrode in diagonal way; Height; 8.5mm (not include pin's height)、 12mm (include pin's height); Switch size:11.8 x 11.8mm; Button cap size: 10 x 10mm; Button thickness: 3mm; Switch pins: 4pin (1、 2、 3、 4) Dimensions: 0.55 in x 0.51 in x 0.47 in (1.4 cm x 1.3 cm x 1.2 cm) Weight: 0.18 oz (5 g)