Dr58 Includes Only:(1) Heated Diode Refrigerant Leak Detector - DR58(5) Replacement Filtered Tips - RFT6(1) Blow-Molded Case(1) Heated Diode Sensor - RHD1Features:Ruggedized and IP54-certified bodyCompact to fit in your handBright, backlit LCD screen shows bar graph and numeric readingsHeated diode sensor 300 hour life, typicalDual audible and visual alarms - turn the beep on or off when you wantLED lighted tip and loud beep help find leaks in noisy and dark environments18-hour USB rechargeable battery - work all day and all night on one chargeNumerical Leak Size Indicator with Bar GraphNon-conductive, sturdy probe stays where you want itWeighs less than a poundFull control - Automatic Zero, Manual Zero and Mute functionsWorks on A2L RefrigerantsSensitivity better than 0.03 oz/yr (1g/a)Bright, LCD screen with easy-to-see bar graphs and numeric readings18-hour USB rechargeable lithium-ion batteryDetects all HFC, CFC, HCFC, HFO and blendsFlashing lighted tip, multiple alarms, and numerical leak size indicatorManual or automatic zeroingGreat performance on R410AOne-of-a-kind by design.Since it's a Fieldpiece, the DR58 Heated Diode Refrigerant Leak Detector is full of the features you need. It's also designed to handle the abuse that most leak detectors can't with an impact resistant IP54-certified body that fits easily in your hand.Clearly see even the smallest leak.Sniffing leaks at less than 0.03 oz/yr (1g/a), the DR58 detects all HFC, CFC, HCFC, HFO and blended refrigerants with superior sensitivity at detecting R410A refrigerant. On the DR58's bright backlit LCD screen you'll see easy-to-read bar graphs, numeric readings and customizable dual alarms. No more guessing about what's leaking. Also, it can both automatically and manually zero to refrigerant gas concentrations giving you total control.Detects faster. Lasts longer.The DR58 boasts an 18-hour battery life that'll last longer than you will on the job site. Yes, it's built to perform. Soap bubble solutions can take several minutes to form visible bubbles and messy UV dyes can take several hours to travel through a running system.For more information, please see Data Sheet.