Sonos Controller 200. Display: LCD, Display diagonal: 88.9 mm (3.5 "), Display resolution: 640 x 480 pixels. Weight: 0.19 kg. Battery technology: Lithium Polymer (LiPo), Battery life (max): 120 h, Battery capacity: 1850 mAh. Dimensions (WxDxH): 72.9 x 115.5 x 17 mm, Power requirements: 100-240 VAC, 50-60 Hz; 5 VDC, 2A