คุณลักษณะ

• A light-accumulating armband that emits light itself in the dark.
• For night work.
• Arm band for increased visibility at night.
• It absorbs sunlight, fluorescent light, and so on, and emits by itself.
• The initial luminous performance is achieved with absorption accumulation of about 10 minutes in natural light on a clear day and about 30 minutes (distance 2 m) in a 40 W fluorescent lamp.
• It can be viewed for about 8 hours.