GSM spy voice caller has work has stand-by time voice control with 3-5 days, 10-15 days without voice control, talk time 5 hours, work frequency 900 MHz,1800 MHz,1900 MHz, weight 24g only and this is very small device so easily fits in any location.
Also, this GSM system is ideal to monitor and listen voice from any area, which can be in a home, office, car, factory or warehouses.
After inserting the SIM card, once you call, this device will auto answer silently. So you can actually hear anyone’s talking in that area. It can also auto dial your telephone when it hear any sound around it.
Package Included:
1 x Hidden GSM Spy Voice Caller
1 x USB charging cable (without Charger)