sound level noise meter tester decibel db monitor,China sound level noise meter tester decibel db monitor Manufacturers, Suppliers

auto disc horn

Sep 10, 2012

this disc 115mm auto horn ,this sound is very goods , Quick Details Voltage: 12/24VType: Auto HornSpeaker ... /24VCurrent (A): ≥4AFrequency (Hz): H:425±20 L:335±20Sound Level (DB): 105-115External Diameter (mm): 125mmAdvantages:1.We are the professional ...

Supplier: Rui'an Jianda Automobile Parts Factory

[China Manufacturers]

High quality and accurate car gps tracker

Apr 09, 2012

... number in the unit, when it connects, you can monitor the sound around 5 meter. 5. Movement Alert: Send SMS to the unit ...

Supplier: Shenzhen Northvision Technologies Co., Ltd.

[China Manufacturers]

vehicle gps/gsm tracker with microphone

Mar 07, 2013

... /GPRS network and GPS satellites, this product can locate and monitor any remote targets by SMS or GPRS.Applications-Vehicle rental ... number in the unit, when it connects, you can monitor the sound around 5 meter. 1.5 Movement Alert: Send SMS to the ...

Supplier: Shenzhen KanMax Electronics Co., Limited

[China Manufacturers]

head-up display with LCD screen suitable for all cars with ODB

Jun 17, 2012

... the earliest in aircraft, reduce pilot looked down meter frequency, avoid attention disruption and loss on state ... displayed on the front windshield of the driver level range, and the display position, the display ... * 57cm * 15cmProduct weight54gEnvironment temperature~40c+80cAtmospheric pressure86-106kpaAlarm sound level>>=30dbWorking voltage9v~16vdc(12vdc/70mA)Display projectSpeed · engine speed ...

Supplier: Shenzhen Golden Jade Electronic Industrial Ltd.

[China Manufacturers]

GJG100H infrared methane sensor

Sep 03, 2012

... various types of coal mine safety monitoring systems to continuously monitor the methane concentration in the working environment, and it is ... ）Hz 、RS485（adjustable baud rate）Transmission DistanceMore than 2kmAlarm ModeIntermittent sound& light alarmSound LevelMore than 80dBExplosion ProtectionExibd ISensor LifeMore than 5 ...

Supplier: Shaanxi Star Coal Mine Safety Equipment Co., Ltd.

[China Manufacturers]

Motorcycle Horn

Mar 05, 2012

high quality motorcycle horn, EEC Certificate CCC Certificate CE Certificate Vol.12VCurrent1.5AFrequence480 HzSound level98 dB Motorcycle Horn

Supplier: Changzhou Changjie Vehicle Components Co., Ltd.

[China Manufacturers]

smoke & heat alarm SD218-H

Jan 16, 2013

... °CHumidity:0 to 95% RH, no condensation or icingAlarm Sound Level85 db/3mOur company is special in this filed from 2001.Quality ...

Supplier: Ningbo Sentek Electronics Co., Ltd.

[China Manufacturers]

Car Tracker gpsMIC-GTK103

Nov 30, 2012

... number in the unit, when it connects, you can monitor the sound around 5 meter. 5.ovement Alert: Send SMS to the unit ...

Supplier: Shenzhen Miracle Security Technology Company Limited

[China Manufacturers]

monitoring samllest gps car tracker

Mar 31, 2013

... number in the unit, when it connects, you can monitor the sound around 5 meter. 5 Movement Alert: Send SMS to the unit ...

Supplier: Shenzhen LDC Technology Co., Ltd.

[China Manufacturers]

GPS vehicle positioning and tracking

Mar 31, 2013

... number in the unit, when it connects, you can monitor the sound around 5 meter. 5. Movement Alert: Send SMS to the unit ...

Supplier: Shenzhen Keson Electronics Co., Ltd.

[China Manufacturers]

Wireless horn siren

Sep 23, 2012

it works with alarm host or work independently with PIR ,door switch,remote control to compose local alarm system Main Feature: Rated voltage: DC12V Rated current: 600mA/1200mA Rated power: 15W/20W Sound level: 115±3(dB/1m) Dimension: φ99*106mm Frequency:315M or 433M Wireless horn siren

Supplier: New Surway Digital Technology (Shenzhen) Co., Ltd.

[China Manufacturers]

Wireless bluetooth earphone headset for iphone/ipad/samsung/htc/nokia

Mar 31, 2013

... -microphone CVC v5.0 achieves over 30dB dynamic noise suppression,highquality sound;echo and noise cancellation;Packet/bit error correction technology to improve ... : 20 Hz - 20 KHz,Very high Signal to Noise Ratio(SNR):95 Db,Total Harmonic Distortion(THD):0.1%; 3 Button design ...

Supplier: Guangzhou Liwan District Sanney Communication Equipment Commercial Firm

[China Manufacturers]

Conventional Photoelectric Smoke detector

Mar 31, 2013

... Humidity: ≤95%Operating Temperature: -5- +55CAlarm Output: Sound &Flash AlarmDetecting area: 60 square meter (with 4 meter height)Alarm Sound Level: ≥85dB / mDimension: Φ120×45mm

Supplier: Anka Sci-Tech Co., Limited

[China Manufacturers]

RF Module, 2W RF Module, Industrial Wireless data collection, 433Mhz

Oct 09, 2012

... components with RS-232, RS-485 and UART/TTL level interface port. Transparent data interface, shelled and wide temperature ... ARIB STD-T67. 3. Application areas* Automatic meter reading(AMR);* Environment monitor system;*Wireless electronic display screen*Wireless smart terminal: ... if the Sleep pin (No.8) continuously connects low level(>200millisecond), the module will be in sleep status, modules ...

Supplier: Shenzhen Yishi Electronic Technology Development Co., Ltd.

[China Manufacturers]

New type colour video door phone

Mar 13, 2013

1. colour video door phone 2. Intercom, Monitor 3. Take photos,SD card 4. 180M, water-proof 5. ... -100dBCommunication ModeFull DuplexPower Consumption standby:130mW; working:14W (Monitor)Open Area Remote 150-200MRinging Sound Level≥70db(A) AdjustableAdjustable ButtonsContrast, Brightness, VolumeOperation Humidity ...

Supplier: Shenzhen Shanhai Technology Ltd.

[China Manufacturers]

bluetooth headphone manufacture

Oct 21, 2012

... 40mm mylar loudspeaker for audiophile grade sound quality. • Active noise suppression and echo cancellation for superior conversation sound quality • Convenient USB charging • Bluetooth ... Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%, • LED Indicator ...

Supplier: Shenzhen Kensing Electronic Co., Ltd.

[China Manufacturers]

mini gps gsm tracker

Jan 17, 2013

... /GPRS network and GPS satellites,this product can locate and monitor any remote targets by SMS or internet. This item include ... number in the unit,when it connects,you can monitor the sound around 5 meter.5.Movement Alert:Send SMS to the unit ...

Supplier: Shenzhen RuiHao Electronics Co., Ltd.

[China Manufacturers]