Product basic info Primary colours: Black Depth unit: 13 mm Height unit: 13 mm Width unit: 53 mm Weight unit: 2 g Material: ABS Additional material: Metal Physical properties Shape: Rectangle IT connections Connection type: Solder tag Power supply Batteries included: No Battery required: Yes Number of batteries: 1 Battery IEC size: AAA (LR03, R03, FR03, HR03, KR03, ZR03 ,24A, 24D, 24LF, UM4, Micro, MN2400, MX2400, MV2400) Included On / off switch: No (EN)