Main TX frequency :800-1500 mHz and 1800-2500 MHz

Radio range (m): up to 40 metres

Sensitivity test :& amp;lt;= mw 0.05

Dynamic range detection :70 Db

Direction: Class 9 LED Luminous Indicator / Expression Instruction

Power :9 V laminated batteries

Dimensions :115 x62x24mm

High sensitivity adjustable range large frequency detection range

High sensitivity, over 30 M