Condition: 100% Brand New_x000D_Item Type: Portable Frequency Counter_x000D_Material: ABS_x000D_Color: As Pictures Shown_x000D_Application: Used for frequency testing of car radios, frequency testing of marine radios, frequency testing of radios for hotels, communities, properties, etc. 1Designed for counting continuous wave signal comes from two-way radio and mobile phones. 2Also counts digital signal generated by GSM, CDMA and wireless remote control. 3Can achieve auto switch off, single button control, one button with all functions. 4With collapsible whip antenna, with stable performance and high reliability. 5Used for frequency testing of car radios, frequency testing of marine radios, frequency testing of radios for hotels, communities, properties, etc.1 x Portable Frequency Counter(Without Battery)This product does not carry electromagnetic, customers need to prepare a 9V 6F22 battery, remove the back cover, install the battery before using this product.