1. the working voltage: 2.3V-5.5V. 2. the working temperature range: -40 ~ + 105 prefix = o 3.onboard 25MHZ (accuracy of 50ppm) active crystal, stepping accuracy 0.1HZ. 4. on-board high-speed amplifiers 300M and also has a low-pass filtering. 5.two-channel output signal, an signal output, an amplified output signal 5 times, 50Ohm output impedance. 6.very small size: 32mm X 32mm. 7.support universal plate (tunnel plate), a multiple-board pins are 2.54mm, can be easily welded universal board. Application: Frequency excitation / waveform generation. Liquid, gas flow measurement. Sensing applications - approximation, sports, defect detection. Linear loss, linear decay. Test equipment, medical equipment Scan clock generator Colour:Green Material:PC+Metal Package Contents: 1 x Module(Due to different product batches, the appearance may be different, which will not affect the use) 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.