Item No.: C23A055
.Detecting depth: 19mm  
.Position accuracy : ±3mm    
.The range of objects being detected cannot be less than 1200mm^2  
.Measurable items:metal and wood  
.Dimensions:145x62x25mm  
.Product weight: about 71g   
.Power supply: one 9V 6F22  (with battery)  
.Standard accessories: meter (with battery), battery, manual