Positioning Wedge 30Ô w Convluted Surface & LSII Cvr Fetal Dopplers 40% larger chestpiece and 60% 14283 40% larger chestpiece and 60% deeper bell than the 3M Battery Pump * This device is perfect for cash customers or those with a prescription whose insurance does not cover this item * The manual system comes as shown above in an attractive retail package * 5 year warranty on plastic parts and pump * Comes with 2 AA batteries * 12 W x 34'L x 7 H * A bed positioning wedge contoured to an optimum 30¯ * Provides optimal 30 degree angle of incline for relieving pressure on hipbone and coccyx * Wedge is comfortable and made from convoluted foam * Low Shear II wipe clean outer cover reduces skin damaging friction * Can be disinfected for infection control * Non slip bottom keeps wedge securely in place * Super Soft Convoluted foam surface *