Features : 1. External dimensions :10.7mm*9.3mm, Height:6.0mm 2. Ball diameter: 5.5mm 3. Long lift: 1 million operations (each direction).Magnetic detection method. 4. High resolution: 11 pulses/360° 5. Temperature: -20°to 70° 6. light transmitting type:LED mounted on a PWB 7. Weight: 0.01lbs (0.10g) 8. Applications: Mobile phone ,Digital cameras,Portable audio players,PDAs,HPCs,Car navigation systems Specifi cations: Electrical Rating · 20 mA 15 Vdc (Use of EVQP6 Type) · 3 Vdc (Use of AN48840B Type) Mechanical Operating Force Push 1.0 N, 1.3 N, 1.6 N (Use of EVQP6 Type) Resolution Rotate 11 pulses/ 360 ° Travel Push 0.9 mm Endurance Operating life Rotate 1000000 cycles min. Push 1000000 cycles min. (Use of EVQP6 Type) Temperature Range –20 °C to +70 °C Minimum Quantity/Packing Unit 200 pcs. (Tray Pack) Quantity / Carton 1000 pcs. NOTICE: 1)Any product quality problem, please put forward in7 days after accepted,our responsible for free replacement, one year guarantee2). Quality Control: Every item tested with special instruments before delivery to ensure working.3). Packing: Packed in anti-static bags with foam box to ensure safety in transportation.4). Payment Terms: PayPal, T/T, Western Union, Money gram.5).Shipping Methods: Prompt delivery by UPS, EMS, DHL, TNT, or by air.6).Service: Best after sales service to ensure satisfaction from customers.7).Delivery: Goods will be delivered with 2-4days by DHL, UPS, TNT, EMS, or By Air8). Warranty: Usually, product warrantees last for one year, but it depends on the merchandise in question (please read specific note on the pro-forma invoice).9) .Samples: Our company offers samples for quality test or other business purposes, but we kindly ask you to pay for samples and the freight.10).Information: We update our customers with latest information about products