1. Movement monitoring: equipped with a sensitive G-Sensor, it will be suspended immediately if it moves unexpectedly during operation. 2. Overheating protection: If the heat dissipation is insufficient during work, the protection will be automatically suspended if the internal temperature is close to the destructive threshold. 3. Password lock: a password is required before each operation. 4. Small size, light weight and portable. 5. Simple and easy to use, multi-function APP operation, get rid of the shackles of computer and data cable, DIY anytime, anywhere. 6. Parameters: Dimensions: 65 x 61 x 53mm Weight: 190g Laser source: 1600mW OSRAM 450nm blue light, service life at least 10,000 hours Laser output power: 1600mW OSRAM 450nm blue light, power output range can be set 10-100% File transfer: Bluetooth 4.0 Support file format: G-Code and jpg APP connection mode: Bluetooth connection APP operating system: support iOS9.0+ / Android 5.0+ Power input: Type-C (5V, 2A) Operating temperature range: 0-65 degrees Celsius Working humidity range: 5-80% (non-condensing) Packing list: host, safety mask, tripod, goggles, power adapter, luxury material package