Marmitek 25009493, Universal, Black, External, 3937" (100 m), 433.92 MHz, DC
Marmitek 25009493. Proper use: Universal, Product color: Black, Antenna type: External. RF transmission range: 3937" (100 m), Radio frequency: 433.92 MHz. Power source type: DC, AC input voltage: 100 - 240 V, AC input frequency: 50 / 60 Hz. Width: 2.95" (75 mm), Depth: 3.15" (80 mm), Height: 7.87" (200 mm)