Abstract: A system attachable to a mailbox for notifying a user when mail has arrived includes a housing securable to a support stand. The preferred embodiment includes opposed doors connected to each end of the housing and an identifying mechanism for determining when the mail has arrived. Such a mechanism includes a detector with a sensor and a light assembly. The detector sends a signal to the light assembly for activating a LED. The present invention further includes a remote mechanism for transmitting a signal when the identifying mechanism is activated. Such a remote mechanism includes a mobile transceiver and a stationary transceiver coupled to the detector and the light assembly. Power supply sources are coupled to the identifying and remote mechanisms. In an alternate embodiment, one of the doors can be become stationary for receiving the identifying and remote mechanisms thereat.