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Non Coding Photoeleciric Smoke Detector AC9V - 35V Working Voltage 1. Prodcut Instruction The product is a non coding smoke detector, with a pair of switch output contacts, which can choose the normally open and normally closed output according to the actual needs. In normal operation, the indicator light flashes every 8 seconds; in alarm, the indicator light is always on, and the alarm output contact acts at the same time. 2. Product Features Power off reset / automatic

Temperature And Humidity Transmitter DC Power Supply 1. Product Features With the measurement unit imported from Switzerland,the measurement is accurate. A dedicated analog circuit is used with a wide range of applications. 10~30V Wide voltage range power supply, complete specifications and easy installation. It can be applied to both four-wire and three-wire connections. 2. Product Specifictaions Power supply(default value) 10-30VDC Max. power consumption Current output 1.2W

Temperature And Humidity Transmitter 10-30VDC Power Supply 1. Product Overview The Transmitter uses a wall-mounted waterproof case, which is often used in outdoor and on-site environments. Various types of probes are available. It is used in different sites and is widely used in communication rooms, warehouse buildings and self-control places where temperature monitoring is required. It adopts standard industrial interface 4~20mA/0~10V/0~5V analog signal output, which can be

High Precision Water Detection Sensor Cutomized ISO9001 CE Certification Quick Details: Place of Origin: Shenzhen, China (Mainland) Supply voltage: 12 VDC (±5%) Brand Name: ESTEL Operating current: < 15 mA (Max) Product Name: Water Detection Sensor Alarm current: < 30 mA (Max) Model Number: NSW-K1P5 Load capacity of relay contact: 1 A 30 VDC/0.5 A 125 VAC Certification: ISO9001, CE, 3C, FCC, TLC Alarm water level: (2±0.5) mm Application: Outdoor Telecom Cabinet Output mode:

Environment Monitoring System Integrated Tilt And Shock Combination Sensor Quick Details: Place of Origin: Shenzhen, China (Mainland) Operating Voltage: 12Vdc/24Vdc (12 Vdc ~ 24 Vdc) Brand Name: ESTEL Operating Current: ≤25mA Product Name: Tilt & Shock Combination Sensor Tilt alarm Threshold: 15°±2° Model Number: NSS-K1A1 Relay Capacity: DC 30V/1A Certification: ISO9001, CE, 3C, FCC, TLC Alarm Signal Holding Time: 6S Application: Outdoor Telecom Cabinet Output Signal: one

4 Terminals Wiring Temperature & Humidity Transmitter -20°C - 80°C Operating Temperature Quick Details: Place of Origin: Shenzhen, China (Mainland) Signal Output: 4 mA–20 mA (linear measurement scope) Brand Name: ESTEL Power Supply: 12 VDC–24 VDC Product Name: Temperature & Humidity Sensor Sample Resistance: ≤ 500 Ω (≤ 125 Ω in the case of 12 VDC) Model Number: NSTH-A1T4 Anti-surge Voltage: ±2000 V Certification: ISO9001, CE, 3C, FCC, TLC Operating Temperature: -20°C to 80°C

Custom Environment Monitoring System Spot-Type Photoelectric Smoke Sensor DetectorQuick Details Place of Origin: Shenzhen, China (Mainland)Power Supply: DC 12(8~28)VBrand Name: ESTELMonitoring Current:

ABS Housing Environment Monitoring System Door Sensor / Alarm Reed Switch Quick Details Place of Origin: Shenzhen, China (Mainland) Switch Voltage: 100VDC(MAX) Brand Name: ESTEL Voltage: 150VDC(MAX) Product Name: Door Sensor Current: 500mA Model Number: M520 Impedance: 0.3ohm Certification: ISO9001, CE, 3C, FCC, TLC Power: 10W Application: Outdoor Telecom Cabinet Action Distance: ≥25mm ≤45mm Housing Material: ABS (White) Fixation: bolt Payment & Shipping Terms Minimum Order

Environment Monitoring System Intelligently Turn On / Turn Off LED Lamp Quick Details: Place of Origin: Shenzhen, China (Mainland) Application: Outdoor Base Station Cabinet Brand Name: ESTEL Certification: ISO9001, CE, 3C, FCC, TLC Product Name: LED002 Working Voltage: DC48V Payment & Shipping Terms Minimum Order Quantity: 1 set Price: negotiation Payment Terms: L/C, D/A, D/P, T/T, Western Union Supply Ability: 30,000 sets per month Delivery Time: 5 working days Packaging