Therm·A·lert series two-way, wireless data loggers monitor/record temperature and humidity in a plethora of environmentally-critical locations, presenting real-time data to a PC. They feature user-programmable alarms, configurable to send notifications via text messages, screen alarms, and/or email, and store up to 250 readings. Users can also setup automatic archiving preferences, ensuring complete data retention. Prices range from $229 to $329 each. MADGETECH INC., Warner, NH. (603) 456-2011.