brand new and high quality Features: This frequency counter can measure the frequency of continuous for carrier signal(cordless phones) and digital signal(GSM, CDMA, wireless remote control), also Perfect for DCS and CTCSS testing. Pocket size, easy to carry. One button to operate, long press the button to choose frequency step. With an antenna, can directly measure frequency, convenient to use. RK560 Handheld Frequency Counter only, other accessories demo in the picture is not included! Specification: Optional frequency: 1k / 0.1k Measurement range: 50MHz-2.4GHz Power supply: 9V battery Material: ABS Dimensions: app.5.5x9x2cm / 2.17x3.54x0.79in Color: Black Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x RK560 Handheld Frequency Counter