Product Description

fetal doppler Features: Safe:ultrasound dosage is under the safe standard Durable:huge capacity battery, work more than *2 hours after full charger Convenience:single key control, automatic battery recharge and protection Sensitivity:FHR of fetus 9 weeks up Probe:According to difference of pregnant week, 2.2 mhz or 3.3 mhz can be choosed Speaker:quality loud speaker take more clearly Specification: Display:highlight LED, real time FHR display Ultrasound frequency:3.3mhz or 2.2mhz Ultrasound intensity:2.5mw/cm2 probe:water proof, anti-shock anti-falling down Power:AC 2.2V/**0 *0 MHZ DC*8V, Built in battery Capacity of battery:***0mah continuous working *2 hours Dimension:**0mm***0mm***5mm Weight:main body 1.*2kg charge board:0.*4kg