Spy Audio GSM Wireless Listening Device in Smoke Detector, 100 Days Battery Life
Hidden inside smoke detector is a wireless GSM listening device with super sensitive microphone. Simply insert a SIM card (not included) and call the number from any phone to start listening. Features include 100 days battery life, sound activated call back, adjustable sensitivity, low battery warning. The microphone is fully open to hear every sound over a large area. The signal reception is strong and reliable. The smoke detector is a dummy housing and is not to replace existing detector.
The GSM module is powered by 2x 3.7v 5000mA lithium batteries. It lasts 100 days on standby or 100 hours in use. The battery takes up to 24 hours to fully recharge.
GSM Frequency Compatibility: 900MHz, 1800MHz, 1900MHz
Primary Function: GSM Two-Way Audio Spy Device
Power: Built in 5000mAh Rechargeable Li-on Battery