1. Transparent shell for clear visibility.2. Round switch design for unique lighting effects.3. Multiple cool lighting effects to choose from.4. Made of durable, drop-resistant ABS material.5. Dimensions: 16x16x14mm Specification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 3cm * 2cm * 2cm / 1.18inch * 0.79inch * 0.79inch Qty per Carton 1000 Carton Weight 21.00kgs / 46.30lb Carton Size 32cm * 22cm * 22cm / 12.6inch * 8.66inch * 8.66inch Loading Container 20GP: 1721 cartons * 1000 pcs = 1721000 pcs40HQ: 3996 cartons * 1000 pcs = 3996000 pcs