1. The working voltage: 2.3V-5.5V. 2. The working temperature range: -40 ~ +105. 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, one signal output, one 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, motion, defect detection. Linear loss, linear decay. Test equipment, medical equipment. Scan clock generator. Color: 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.