GPRS Temperature Transmitter -- GPRS connect with external 1 digital thermometer 3.7V/4500mAh rechargeable battery built-in, connect 5V external power charging, GPRS-211 have long standby function, the machine will only wake up when it is time to send data, or when the user operate it, other time in the sleep state. So it can be used for a longer time, to bring you more convenience. Temperature Transmitter GPRS211 can collect high-precision temperature quickly, and then transport to the server through GPRS or SMS.
Widely used in cold chain logistics, medicine, transportation and other industries.
1. Built-in 4500mAh ba ttery ,can longtime standby 3 months
2. Low power alarm
3. High temperature alarm
4. Can set different send data interval when low power