The Hi Bebe BT-200 fetal doppler is a medical grade fetal doppler able to detect a fetal heartbeat as early as 10-12 weeks. All of our fetal dopplers come complete with everything need to begin using the device as soon as it arrives. Hi Bebe Comes Complete With: Carrying case 2mhz probe Ultrasound gel Easy to follow instruction pamphlet. Features Include: Long battery life (up to 6 hours of continual use) Automatic Shut Off LCD heart rate display Detects heart rate as early as 10-12 weeks FDA approved! We are so confident that you will love our Hi Bebe fetal dopplers that we offer a 7 day return policy and 1 year warranty! ©2005Tummy Tickles Distribution Ltd. All rights reserved