... was inflated4,the probe5,the cuff (pressure cuff)6,the charging adapter7, headphones8, the ultrasonic coupling agent9,the boxThe Doppler host ... probe cable to connect to the probe interface, turn the power switch, the equipment to begin testing.2,to ensure that the ... the Doppler tone.6, the power light does not shine, you need to recharge the battery. DK-A Animals Dedicated High-frequency Electric