# RL-071A Optical fingerprint calibrator > The fingerprint display under the calibration screen cannot be recognized after the screen is changed. ## Features 1. Easy to operate、quick calibration、small and portable. 4. Larger size of silicone weights, faster calibration of anti-leakage. 3. Solve the problem of screen fingerprint failure after the mobile phone is replaced. 4. Suitable for HW/MI/OP/VI to solve the problem of fingerprints under the screen or poor input. 5. Use with software/tutorials, easy to use, no cumbersome steps. ## Specifications Product Name: RL-071A Optical fingerprint calibrator Brand: RELIFE Model: RL-071A Package Dimensions: Gross Weight: ## Reviews Glenn High quality tools can help you increase efficiency. Lra Very easy to use, maintenance screen essential.