1. This microwave leakage detector can detect whether there is leakage in the microwave oven within a few minutes. 2. Product Features: - It has a digital LCD display with backlight for easy reading. - When the leakage amount reaches the dangerous area, it will emit a "beep" sound accompanied by a red flashing light. - It features a portable design for convenient and fast use. - There is no need for recalibration. - It has high sensitivity. - It has the functions of minimum/maximum data display and data hold. - It has excellent reliability and high precision. 3. Product Specifications: - Calibration frequency: 2450MHz - Measurement range: 0 - 9.99mW/cm² - Warning value: 5mW/cm² - Precision: (±)1dB - Power supply: 1 9V battery (not included) 4. Product Dimensions: - Product size: 12.5 * 5 * 3cm / 4.92 * 1.97 * 1.18 inches - Product weight: 78g / 2.76 ounces - Packaging size: 16 * 8 * 5cm / 6.3 * 3.15 * 1.97 inches - Packaging weight: 137g / 4.85 ounces 5. Packaging List: - 1 microwave leakage detector - 1 storage bag - 1 user manual (in English)