Kinetic and ecological battery-free suitcase scale from the smart luggage brand Rollink. Operated by lightly shaking - no batteries. Kinetic technology: a short movement is enough to operate. Generates energy through movement - no batteries required. Environmentally friendly, accurate measurement up to 50 kg. Clear, easy-to-read digital screen, compact and easy to carry on every trip. Strong and easy-to-use carrying strap. Ideal solution for preventing excess weight at the airport. No batteries, no charging and no worries.