This key chain is equipped with a UV detector and a temperature checker. You just need to remove the cover of the UV key chain for 10 seconds to read the UV level. This key chain allows quick, easy access to your keys, making it a great everyday accessory.

• Helps guard against sunburn and promotes safe sun practices.
• Only shows approximate UV levels, not professional UV testing meter.
• Temperature range: -10 to 50 degree Celsius.
• UV level: 0 to 8.
• CE and RoHS certificate.