How much does this cost to the nearest dollar?

Signal Amplifier Portable High Accuracy Low Noise Oscilloscope Antenna Signal Amplifier 10M Probe for Electronic Engineers
Specification Item Type SignalAmplifierMaterial Aluminium alloySingle Ended Input Voltage -10V to Input Voltage -10V to Ended Input Impedance Input Impedance Voltage -10V to 1x, 10x, - - - Mode Rejection 5nV/√ Supply Rechargeable Li ion battery 380mAh x 1 (shipped with internal battery)Charging Interface USB Type CBattery Life Approximately 5 hoursOperating Temperature Humidity Consumption List 1 x x BNC CableNote 1. This product is not a high pressure probe. High pressure probes are suitable for high pressure For strong electricity, it is generally suitable to measure high voltage

Price is $81.00

Price: $80.59