Siig CE-RC0014-S1. Proper use: Universal, Product color: Black, Antenna type: Internal. Receiving range: 196.9" (5 m), Sensitivity: -90 dB, Frequency range: 20 - 60 kHz. Power source type: DC, AC input voltage: 100-240 V, AC input frequency: 50 - 60 Hz. Width: 1.77" (45 mm), Depth: 1.26" (32 mm), Height: 1.73" (44 mm)