Wireless RF Signal Bug Wireless Camera Spy Detector Technical Specification: Main TX Frequency: 20-6000Mhz (Main TX Frequency : 800-1500mHz,1800-2500MHZ) Detecting range :Up to 30 Meters Detecting dynamic range: 70Db Indicate mode: 9 levels LED luminescence indication/voicing instruction Power: 9V laminated battery (package do not include battery, need you purchase separately) Volume: 0.98*2.6*6.9inch,(with antenna) Device weight: 0.49lb Packing Weight: 0.88lb Packing size: 8.3*5.9*2.75inch Package List: 1pc x Wireless Tap Detector 1pc x Antenna 1pc x User Manual