HT618 Mini Indoor Outdoor Hygrometer Temperature Instruments Humidity Meter, 501 Original

Features:HT618 is a micro digital hygrometer with high precision temperature and humidity sensing module technology. It can sample LCD, process data and display results. It uses calibrated sensor modules to reduce bias and improve accuracy. It is lightweight, compact, ergonomic and user-friendly, making it an ideal tool for monitoring indoor farming, animal husbandry, warehouse storage, utilities, and many other areas.Specifications:Material: ABS + electronic componentsSize: 180x66x30mm/7.09x2.6x1.18\\\"Technical index Range Resolution accuracyHumidity 0-100% RH 0.10% ± 3.0%Temperature - 20-60°C 0.1 ° C ± 0.5 ° C(4~140℉ 0.1℉ ±2.0℉)Sampling rate ＜ 0.5sOverload indication olMax / min / max / minData holdUnit conversion ℃ /℉LCD backlightAutomatic shutdown for 5 minutes.Battery power low indication 3.0-3.5vBattery 3 x 1.5V AAA (LR03) battery (not included)Current consumption in work ≤ 25mAPower off ≤ 10uAWorking environment temperature: 0-40 ℃Humidity: ≤ 80% RHStorage environment temperature: below 20-60 ℃Humidity: ≤ 75% RHKey functions:On / off (Bluetooth) short press: on / offLong press: switch to Bluetooth when onPress max / min briefly to switch between Max / min / quitShort press to switch betweenHold / BL short press to start data hold mode, long press to turn backlight on / offNotes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.