DVM-190
Alecto DVM-190, Digital, 50 m, 300 m, 2.4 GHz, White, 7,11 cm (2.8")
Alecto DVM-190. Volume control: Digital, Maximum indoor range: 50 m, Maximum outdoor range: 300 m. Frequency band and operating channels: 2.4 GHz. Product colour: White. Display diagonal: 7,11 cm (2.8")