Arduino Data Logging Shield XD-204 <br />Size: 68 * 53mm<br />Battery: 3V CR1220 * 1<br />XD-204 data acquisition module recorder * 1 (with battery CR1220 * 1)<br />Static bag<br /><img src="//agdetail.image-gmkt.com/339/488/558488339/img/img6.eachbuyer.c