Features: GSF9504 Satellite Finder Signal Meter it designed with SMT technology its superior sensitivity is capable to indicate signal from 0.2dB to 2300MHz. It is operated by LNB power. It displays signal strength according to dish position with an easy-to-read analog needle allowing you to make necessary adjustments without having to yell back and forth from the window. The Satellite Finder will align your satellite dish whether you use Dish Network Direct TV or any other type of satellite TV. In-line IF signal strength meter Excellent sensitivity DC pass to LNB and internal light Built-in 0Hz22KHz13V18V indicating LEDs and buzzer Elegant exterior and convenient to carry Specifications: Input Frequency Rang: 950-2150MHz Input Level Max: -10dBm Supply Voltage: 13-18V DC Input Level Min: 40dBm Material: Plastic Size: 80 x 35 x 62mm Color: Black Package included: 1 x Satellite Finder