"Treat yourself to an expertly engineered trim. The Lawn Mower 4.0 Pro is now equipped with our latest technology, including an updated SkinSafe blade, travel lock, and wireless charging compatibility. SkinSafe Technology. Waterproof. Travel Lock. LED Spotlight. Constant RPM Motor. 600mAh Li-Ion Rechargeable Battery. Wireless Charging Capability. Up to 60 Minutes Runtime. Two Adjustable Combs: 2-12 mm. Travel Case. Adapter & USB-C Cable.