CR927 Battery
Type:	Lithium Button Cell
Size:	9.5mm Diameter, 2.7mm thickness
Voltage:	3V
Certification:	CE, RoHS

Powerful battery is the core for the LED flashing pin, it will ensure the LED light brightness and keep on binking for best long time.

LED-Pin.com always use the high quality battery only for our products. and the shelf time will be the longer than 6 monthes.

And the button is Eco-friendly, there is no any toxicity, heavy metals, lead or hazard.