GVDA GD-H400M Digital Level 360 Measure Protractor Level Ruler % SINOTIMER Support up to 64G alarm

Support up to 64G alarm trigger local memory

LTE: Downlink 600 Mbps

Distortion: less than 1%

large cache space provides more stable conditions for 10G data transmission and high-speed USB 3

Video Intercom

GVDA GD-H400M Digital Level 360 Measure Protractor Level Ruler % SINOTIMER Support up to 64G alarm1. Material: aluminum alloy 2. Unit of measurement: inches 3. Working temperature: 10 degrees to 50 degrees 4. Measuring range: 0 360 degrees 5. Resolution: 0. 1 degree 6. Magnet: 4 built in base plate 7. Power supply: 2x1. 5V AAA batteries (not included in this product) 8. This magnetic digital level is IP67 rated, dustproof and waterproof 9. The large LED display is easy to read the numbers and has a freeze display function for easy reading 10.