[Product Information]

• Enter your model numberto make sure this fits.
• Dimensions: 2.13 in x 1.46 in x 0.59 in (5.4 cm x 3.7 cm x 1.5 cm)
• Waterproof material
• Hour glass symbol appears and flashes on / off to indicate counting time.
• Drilling into your frame with 2.5mm socket， then secure it to the frame coming with two pick-up screws.
• Built-in battery power supply， safe and reliable