Use: The alarm locator can be placed in a car, a child's school bag, an elderly person's pocket, or a bag containing valuables. You can send SMS commands from your mobile phone to the device to check its location, allowing convenient monitoring and real-time tracking of the target. Product Features: Remote Operation: The device can be controlled via SMS to start or stop recording, positioning, and other functions. Remote Location Query and Online Tracking: Supports remote retrieval of the current location and real-time tracking. Extended TF Card Support: Compatible with extended TF cards, and allows remote clearing of TF card memory. Remote Status Inquiry: Allows remote checking of the device’s status including function settings, battery level, bound phone number, signal strength, boot frequency, GPRS status, and TF card capacity. Remote Recording: Enables remote activation of the recording function. Voice-Activated Call Alert: When ambient sound exceeds 40 decibels after activation, the device automatically calls a pre-set phone number. One-Way Listening: When calling the device’s number, you can hear surrounding sounds without any light or sound indication on the device. Specifications: Product: GF-07 Locator Color: Black Material: Engineering Plastics Battery Capacity: 3.7V 400mAh Lithium-ion Standby Time: 12 days Working Time: 4 to 6 days Talk Time: 150–180 minutes Network Format: Global Communication / GPRS GPRS: Upload60, TCP/IP GSM Positioning Time: 25 seconds Additional Parameters: Call Current: 150 mA Standby Current: 2.5 mA Operating Voltage: 3.4–4.2V DC Voice Activation Current: 30mA Expansion Card: Mini TF Card Operating Temperature: -20°C to 55°C Dimensions: 3.5 x 2.0 x 1.4 cm (L x W x H) Frequency Band: GSM 850 / 900 / 1800 / 1900 MHz Supported Countries: China, United Kingdom, France, Germany, Netherlands, Italy, Spain, Brazil, Portugal, Denmark, Russia, Poland, Turkey, Hungary, Thailand, Indonesia, Malaysia, Vietnam, Myanmar, Pakistan, Iraq, S Arabia, Greece, Kazakhstan, Mongolia, Dubai, etc. Key Features: 1. This model supports map viewing via mobile phone and computer platform tracking, and can reply to location information via SMS. 2. Combines base station positioning with Google Maps integration, significantly reducing positioning error. 3. Equipped with Google positioning mode for enhanced tracking capability. 4. Built-in strong magnetic adsorption; easily attaches to metal surfaces for quick installation. 5. No platform fees required; lifetime free service. Simply send an SMS command to receive address details and a Google Maps link directly. 6. Auto-power-on when charging: if the device shuts down due to low battery, it will automatically power on and resume charging once connected to power. Requires SIM card insertion. Package Included: 1 x Locator (with magnetic back) 1 x USB Charging Cable 1 x User Manual