Please Note: Before making any purchase kindly ensure the battery is compatible with your watch/device. Not all watch batteries are the same. You can confirm the model number from your current/previous battery, if it contains any of the model numbers shown below then it will fit.  Thanks for your understanding!Introduction:Perfect for toys, calculators, laser pointers, calculators, cameras, watches, clocks, computers, games, digital cameras, camcorders, pdas, remote controls, electronic instruments, mp3 players, digital voice recorders, blood glucose meters , cholesterol test meters, led lights and other electronic gadgets.Features:ISO 9001, CE, RoHS, UN38.3 safety certificates approved.Grade A CR2016 cells ensure longer battery life and long lasting power.Power stock to get the power you need to power your devices all day.3 volt full charge, 3 year lifespan. durable and economical.Equivalent to other brand models, such as CR2016, ECR2016, DL2016, LM2016, 2016, KCR2016, BR2016.It works perfectly for remote control, clock, calculator, electronic notebook, thermometer, mobile game.Batteries only, other accessories demo in the picture are not included!Tips:1. Wipe the battery with dry cloth and proper end confirmation set (.-).2. Keep the battery in a dark, cool and dry place.3. Use finger bags or non-metallic tweezers.4. Don't throw the battery at you, don't recharge.5. Insert the battery in the right direction and avoid short circuit.6. Keep away from children.Specification:Model: cr2016Material: metalRated capacity: 10Standard voltage: 3vStorage temperature: LESS THAN 45°Working temperature: -20~70°Diameter: app.1.6cm/0.63in.Quantity: 1 setPackage includes:5 pcs x batteries