On June 28, 2012, Dongdi Optoelectronics developed the third police button-type night vision device D-M2031 (second generation) and D-M3031 (third generation), which is similar to the American PVS-14 and more cost-effective. This product In addition to the direction-sensing automatic switch machine, anti-glare protection, low battery indicator, multi-layer coating standard, automatic brightness adjustment, helmet can be freely adjusted and other functions, it also has the following unique features:

1. The dustproof and waterproof grade is IP67: it can work normally for 1 hour under 1m deep water.

2. Zero consumption in standby: when the battery is not used for a long time, there will be no power loss when the battery is placed in the battery barrel.

3. Built-in battery barrel spring: It can better contact the battery and the spring is not easy to be damaged, and it is easier to twist the battery cover.

For more detailed product introduction, please refer to the product display page.