Power supply requirements: 5V 1A TYPE-C power supply. The power-up is at 800mA. The current be 400mA after the internal OCXO is stabilized Weight: 400g/0.9lb Input and output interface: SMA female connectors Clock Source Parameters: 1. Frequency range: 2500Hz-200MHz 2. Amplitude--to-: MODE0: F0: 3.21Vpp F1: 3.23Vpp F2: 3.21Vpp MODE1: F0: 3.15Vpp F1: 3.12Vpp F2: 3.12Vpp Note:Due to different production batches, there are differences in printed labels and slight color difference, which does not affect use. Colour:Silver Material:Metal+Plastic Size:13cm x 9.6cm x 5cm/5.1 x 3.8 x 2Inch(LxWxH) Package Contents: 1 x Clock Source Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.