B&B Electronics UH401-2KV. Dimensions (WxDxH): 1.7 x 2 x 0.799" (43.2 x 50.8 x 20.3 mm). Input voltage: 5 V, Input current: 0.5 A. Certification: Class A, CISPR Class A (EN55022)
B&B Electronics USOPTL4-4P. Weight: 12.8 oz (362.9 g), Dimensions (WxDxH): 7.48 x 3.15 x 1.18" (190 x 80 x 30 mm). Input voltage: 5 V, Power consumption: 100 mA. Certification: FCC, CE, UL