Model JPD-100S4 -Angel Sounds Fetal Doppler

DISPLAY: HDLCD. ULTRASOUND FREQUENCY: 3.0 MHz. BATTERY: AAA 1.5V Alkaline. DIMENSIONS (mm): 210 x 138 x68. WEIGHT: 370g (WITHOUT BATTERY). FHR MEASUREMENT RANGE: 50-210 ± 2 BPM