Day & Night Engineering is running as the BEE side of Automatic Mass Products (DNE), which has been running since 1993 (30 years).
Designed to solve the problems associated with existing Prepayment technologies. The E470 meter uses SMS messaging over the standard GSM network to provide Token-less Prepayment , remote meter reading & programming. By not requiring a physical token to add credit, the meter solves the issues of token loss, out of hours call outs and problems associated with token interaction of current Prepayment meters.
Technical specification