The Sensaphone Sentry Monitoring System offers an easy-to-install, easy-to-configure monitoring solution for locations with no access to a landline or Internet connection. The system monitors up to five different environmental and equipment status conditions including temperature, humidity, power failure and water detection. When the system identifies issues, it instantly sends alerts via phone, text or email over a cellular connection. Users can access information and make system changes from any web-enabled device. No software is required, so installation, integration and management are easy. Sentry has 5 alarm inputs that can be dry contact, or 2.8K thermistor. Cellular service is available through Verizon and AT&T for the US and Rogers in Canada. Service is $14.95/month for a yearly price of $179.40. This unit is great for monitoring rental equipment with the built in GPS monitoring you can know where your equipment is at all times, while the 5 alarm inputs allow you to get alerts for problems with the equipment. This can be a cost effective maintenance package that you can offer your clients. This is also great for monitoring refrigerated vehicles, allowing you to not only monitor the location via GPS, but also monitor the temperature inside the vehicle to receive alerts if your temperature begins to rise by using a Sensaphone temperature probe. The Sentry is great for monitoring homes as well. You can use the Sensaphone indoor temperature sensor to monitor the temperature of your home, while also using other sensors to monitor other conditions such as smoke detectors, water sensors, and other conditions.