Telehof Electronics Instruments & Equipment (Shenzhen) Co., Ltd. : CCTV,DVR,CCTV camera,IP camera, network camera,alarm,doorbell,security products,dome camera,security camera,IR camera,Day/Night Camera,Mini DVR,network DVR,surveillance,surveillance equipment,video recorder,pan camera,speed dome camera,hight speed do
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  Telehof Electronics Instruments & Equipment (Shenzhen) Co., Ltd.




2-Channel Mini Real Time DVR

Main Features:

◎ DIY installation and operation

◎ With remote control (5m effective working distance in open space)

◎ Connects two cameras simultaneously, functioning “picture in picture”

◎ With built-in SD card slot, supporting up to 8GB memory capacity

◎ Automatic Snapshot (JPEG) / 10-second video recording (AVI) when motion detected

◎ Support playback on TV / Monitor / Computer



Main Specifications:


MODEL
DVR-2VR

SD Card Back-up

(Archive Device)
Up to 8GB

Video Input Format
NTSC/PAL

Video Output (CVBS)
1 channel

Video Input (CVBS)
2 channels

Display Mode
Full / PIP

Display Frame Rate
NTSC: 30fps; PAL: 25fps

Display Resolution
NTSC: 720*480; PAL: 720*576

Recording Mode
Motion-triggered / manual

Recording Frame Rate
NTSC: 15fps; PAL: 12fps

Recording Resolution
AVI: video: 320*240; Photo: 640*480

OSD
English

Search Function
Mode: Date & Time; F/Screen: Yes

Motion Detection
Yes (Internal)

Net Weight
108g

Dimension
115mm*80mm*31mm

Power Supply
DC 5V/12V 1A

Lithium Cell Battery (CR2025)

for Remote Control
3V



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Real Time Mini DVR

Main Features:



◎ Easy to use



◎ With 2.4-inch TFT LCD (320 x 240), 2.4G wireless module supported



◎ 2 wired channel inputs with audio selection (DVR-2V901)



◎ 1 wired channel input and 4 wireless channel inputs with audio selection (DVR-4V901W)



◎ 1 channel A/V output



◎ Weekly schedule setup, auto delete function, auto channel scan function



◎ Motion detection record, startup auto record, record overwriting



◎ MPEG4 (640x480 30fps) real time recording with mono audio



◎ Pre-recording: max. 10sec video recording before motion detection (In Motion JPEG format)



◎ Video and audio output, video stamping, still image capture



◎ Alarm in / Alarm out supported



◎ Supports up to 16G SDHC card



◎ Low power consumption





Main Specifications:

Item
Description

Video
Format
MPEG4 AVI

Resolution
640x480

Frame rate
1~30 fps

Input/output
NTSC/PAL Composite, 1V pk-pk, 75 Ohm

Wired channels
2 Channels with audio selection (DVR-4V901)

With RF
1 Wired channel + 4 wireless channels (2.4GHz/5.8GHz)

(DVR-4V901W)

Storage
Media
SD

Capacity
Up to 16GB (SDHC Supported)

Power
Power Supply
DC 9V-12V, 160mA

Clock
RTC
Real time clock

Activation
Mode
Motion Detection / Schedule Recording / Manual Recording / Alarm Input

User Interface
Language
English, Simplified Chinese, German, French, Spanish, Portuguese,

Italian, Japanese, Dutch, Russian

Buttons
Power Button Record / Menu / Playback / Delete / 5 way control key

LED
Power LED / Motion Detect On LED / Record LED

Recording Time

640 x 480 30fps

MPEG4
16GB
About 8 hrs.

8GB
About 4 hrs.

4GB
About 2 hrs.

2GB
About 1 hr.

1GB
About 0.5 hr.

Weight
100g

Size
125mm*77mm*21mm

Working Temperature
-10℃~60℃



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Color Auto Pan Camera

Main Features:


◎ Weatherproof, indoor or outdoor use


◎ Viewing coverage up to 180°


◎ Auto pan-scan or manual control Left / Right


◎ Manual setting for tilt angle and focus


◎ Direct video output to a Monitor / TV or Recorder




Specifications:



MODEL
CAPC 500
CMAPC 500

Image pick-up Device
1/4” SHARP color CCD
Color CMOS

TV System
NTSC / PAL

Number of Pixels
NTSC: 510(H)*492(V);

PAL: 500(H)*582(V)
NTSC: 510(H)*492(V);

PAL: 628(H)*582(V)

Horizontal Resolution
420 TV lines
380 TV lines

Min. Illumination
0.8 Lux / F 1.2
Ov7910: < 3 Lux / F 1.2

Scanning System
NTSC: 525 lines, 60 field / sec;

PAL: 625 lines, 50 field / sec
--- ---

Gamma Characteristic
0.45
--- ---

Electric Shutter Time
Auto, NTSC: 1/60~1/100,000 sec;

PAL: 1/50~1/100,000 sec
NTSC / PAL: 1/60~1/15,000 sec

S/N ration
> 48dB

Sync System
Internal synchronization

Video Output
1Vp-p, 75Ω

Pan Rotation Angle
15° / s

Power Supply
DC 12V + 10%

Working Temperature
-10℃ ~ +50℃

Operating Humidity
RH 95%(max.)



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surge protective device

BS LC24
610_005
Main Features:
* Composed by two parts: the base and the protection module
* The signal will not be disconnected even when replacing the module
* The DIN rail is connected with the earthing line
* High discharge capacity, low protection voltage
Application:
For installation at LPZ 0A-2 or higher, or directly at the upstream of the protected devices. Provide protection for measuring and controlling system, such as the field bus, input/output interface of the 0-20mA,4-20mA control line.
Specifications:
Technical data
Nominal voltage UN 24V
Rated voltage
(max. continuous voltage) Uc 26V-/19V~
Nominal current IL 0.5A
Lightning impulse current
(10/350) Iimp 2.5kA(per line)
5kA(total)
Nominal discharge
current(8/20) In 20kA
Voltage protection level
at Iimp Up ≤90V(line/line)
≤45V(line/PG)
Response time tA ≤1ns
Bandwidth fG 5.1MHz(Ad-PG)
--- (line/line)
Series impedance per line R 2.2
Capacitance C 0.7nF(line/line)
1.3nF(line/PG)
Operating
temperature range -40℃…+80℃
Test standards GB 18802.21-2004; IEC 61643-21:2000
Mounting on 35mm DIN rail
Enclosure material orange thermoplastic, UL94-V0
Dimension 92mm×64.5mm×12mm
Certification CE

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,lightning arrester,

800_060
BT P B60 385 RM
Main Features:
* Small volume, high discharge capacity
* Reliable protection thanks to double control disconnector
* Quick response
* Low voltage protection level and with double terminals connection
* Green window will change when fault occur, also in the same time provide remote alarm terminal
* Core components are from international well known supplier
Application:
This product is designed to protect low voltage devices from surge damage, used in power supply system such as power distribution-room, distribution-cabinet and other important power supply system. Widely used to protect mobile communication station, telecommunication centre, civil aviation, finance, and so on.
Specifications:
Technical data
Rated voltage
(max. continuous voltage) Uc 385V
Nominal discharge
current(8/20) In 30kA
Max. discharge current Imax 60kA
Voltage protection level
at 20kA Up ≤1.8kV
Response time tA ≤25ns
Operating
temperature range -40℃…+80℃
Cross-sectional area 1.5mm2~25mm2(solid)/35mm2(flexible)
Mounting on 35mm DIN rail
Test standards GB 18802.1-2002; IEC 61643-1:1998-02
Enclosure material purple thermoplastic,UL94-V0
Dimension 2 mods
Certification CE

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