Overview: This mini eavesdropping device is a great spy audio system, just insert a GSM SIM card into the slot of this spy audio device, & put the audio bug at a hidden place, then you just dial the SIM card number to monitor your target, also, it features Voice-Activated Calling Back function. Once this spy bug detects voice level above 45d B, it will automatically call back the master phone number to let you monitoring the conversation around your target area. It is an easy solution of audio monitoring for your child safety, or home & car safety purpose. Mini Eavesdropping Device with GSM Mobile Phone Remote Control, Voice-Activated Calling Back, Spy Audio Specification: Frequency: Frequency: GSM 900/1800 M Hz Auto answer mode on the spy audio side Voice-Activated Calling Back function: voice level above 45d BSMS code to active VOX calling back function: DSK Master Phone Number SMS code to de-active VOX calling back function: DSK 0000 Transmission Distance: Non-limit Power up with SIM card insert St&-by Time: 5 days by internal Li-ion battery Working Time: 3 hours by internal Li-ion battery Accessories: AC adapter, USB cable Powered by internal Li-ion Battery AC/DC adapter included: AC 100V
- 240V, DC 5V, 0.3 A Operation temperature range: -10 ~ 50 degrees Celsius Operation humidity: 15
- 85% RHWeight Approx:20g Size Approx:4.1 x 2.9 x 2