STI Wireless Garage Door Alert

Waterford, Mich.-based Safety Technology Int'l (STI) releases the wireless garage Sentry alert (STI-34300), which offers a range of up to 1,000 feet. The product features a battery-operated sensor and a four-channel receiver.

The sensor sends a wireless radio signal to the receiver, allowing the product to alert users when a garage door is opened or closed. A magnetic contact with an 18-inch lead is also included for irregular installations, according to the company.