Battery Module Required to use sensors remotely or in the field Powers sensors or chain of sensors operating off-line; connects sensors to RF Communication Module (S98243-46ND) Rechargeable via PC USB port and data cable (sold separately) Features LED charge indicator and push-button operation Carrying Case Constructed of black ballistic nylon Holds up to 25 probes including cables and accessories Measures 16 × 12 × 2.5 in