Because the product is trueHD high qng DV product current consumption too large, shell material use cast iron and when using the product can some fever State belongs to the normal phenomenon, need not worry about product appear harmful, is a longtime after aging test to ensure product quality problem was not shipment. Note: Application: please strictly abide by the relevant state laws and may not be used for any illegal use this product, otherwise the Consequence is proud. Working temperature: please in natural temperature, please do not use in he human body can no adapt to the temperatures Humidity: please workin human life environment suitable humidity, please do not use the product in the damp working environment, the product does not have waterproof function, please avoid making the products to drench water of exposed to rain Shooting intensity of illumination: please have enough light source in the environment, do not use the Camera directly to the sunlight source, in order to avoid such as Super optical device damaged Cleaning requirements do not excessive dust density in the environment, so as not to use lens and other components from dust, affect Camera effect Please pay attention to environmental protection with abandoned, don't throw them away this product. The ban this product throwing in fine-bst produce explosion-