AT-F3300C frequency meterDetailed product description：

Product Introduction
Eight digit LED display
Less switches and simple operation
Fast and high-resolution

Technical indicators:

Frequency range: 10Hz~3300MHz
Display: 8-bit LED
Gate time: 0.01S/0.1S/1S (seconds)
Accuracy: ± 1Hz ± 1 digit ± Time base accuracy
Input sensitivity: 10Hz~10MHz: 20mV (channel 1); 10MHz~100MHz: 25mV (channel 1); 100MHz~3300MHz: 25mV (channel 2)
Input impedance: 1M Ω channel 1, 50 Ω channel 2
Maximum input voltage: 250VRMS channel 1; 5VRMS channel 2
Maximum aging rate: ± 5ppm per year
Power requirement: AC 220V ± 10% (50/60Hz)
Power consumption: approximately 5W
Size: 210 x 230 x 76 (LxWxH) mm
Weight: 1.8kg