Technical Specification

● Ultrasound frequency: 暗們2MHz

● Ultrasound intensity: <雪了10mW/cm²

● Power supply: Alkalinity battery and光書 Rechargeable battery

● Display: 35.04mm×28.03mm LCD

● FHR Measuring range: 50一得~230bpm

● FHR resolution: 1bpm

● FHR accuracy: &plusm中靜n;2bpm

● Power consumption頻美: <1W

● Dimension :145mm ×105mm ×33mm

● Gross weight:approximately 500g