Crystal oscillator frequency: 32.768KHz. Cleaning Cloth 1. Small size, light weight and easy to install. Product specification (optional): shaft 12 (suitable for 1-2MM thick products); Shaft 16.5 (suitable for 3-5 mm thick products); Shaft 20 (suitable for 5-8MM thick products); Shaft 22 (suitable for products with thickness above 10MM).
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