Infrared protection can be configured (Optional).

红外线保护装置(选用)。

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3 solder temperature: 0 ~ 450 degrees, optional settings, intelligent temperature control protection;

焊锡温度：0～450度，随意设置，智能温控保护；

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To help enhance safety, products offer optional finger-safe, see-through covers, an Ingress Protection 20-rating that includes lockout/tag out capabilities and open circuit indication.

为了帮助提高安全性，产品提供可选的手指安全，可透视的盖子，以及包含锁定/ 标签能力和开路指示功能的20等级的防尘防水保护。

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Services offered by Visa consists primarily of optional services such as extended cardholder protection and concierge services, cardholder services and fees for licensing and certification.

FORBES: Three Businesses Make Visa Worth $86

The organization argues that a single, optional regulator would establish a uniform level of consumer protection, it would give consumers faster access to a broader range of insurance products and it could increase competition in the marketplace.

FORBES: Magazine Article

Features such as Advanced Theft Protection (ATP), a system platform that is resistant to deep-level hacking and the optional embedded Trusted Platform Module (TPM) help ensure that even if the STYLISTIC Q550 is lost or stolen, the data it carries remains protected.

ENGADGET: Fujitsu's Stylistic Q550 Windows 7 tablet: orders kick off tomorrow starting at ��699