Safetynet Spy Gsm Plug Ram For Live Audio Listening Work 24 Hours NA Voice Recorder  (0 inch Display)

This product is small size, clear voice, long standby time, stable performance, easy installation;Mainly used for home monitoring, children, the elderly, pet monitoring and monitoring, cars, warehouses. Features: 1. Working frequency: 850 Mhz / 900 Mhz / 1800 Mhz / 1900 Mhz. 2. GSM voice / audio monitor. Not suitable for CDMA / 3G network, compatible with all GSM 4G SIM cards. 3. Prominent sound quality makes spying more reliable. 4. Voice activation. You can automatically call your phone when the sound surrounds it up to 45 dB. 5. You can send the message command or cancel the easy SMS voice activation function "1111 or" 0000 "" only. 6. Ultra tiny dimensions. 7. Power supply: 24 hours non-stop. 8. Microphone range (meter): 5 ~ 7 (Radius). 4 levels 9. Working temperature: -40 ~ 50 'C 10. Response frequency: 1.2 K ~ 800 Khz. 11.Working time: 24 hours. Package Includes: 1 x Wireless GSM SIM Micro Device 1 user manual. (not with GSM SIM card, you need to buy, from local cellular network provider)